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Comment:First implementation of the standard library.
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: 7e9c8cf531f01f680ccea8b0a5c06d3faccac0f5f423a5e985a43cd10113dd0d
User & Date: robin.hansen on 2021-04-17 11:05:34
Other Links: manifest | tags
Context
2021-06-02
10:02
Add support for modules. Fixes [57c2233d50] and [abaac5803b] check-in: e155197c9a user: robin.hansen tags: trunk
2021-04-21
08:26
Add (untested) parser for module definitions. check-in: 6bae4df17f user: robin.hansen tags: module-definition
2021-04-17
11:05
First implementation of the standard library. check-in: 7e9c8cf531 user: robin.hansen tags: trunk
11:04
Add a couple of more functions to list module. Closed-Leaf check-in: 442b0f85ca user: robin.hansen tags: stdlib
2021-04-07
13:39
Add cli program to compile projects, run functions and initiate new projects. check-in: 9318fc4c3b user: robin.hansen tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified src/Play/Data/Type.elm from [7b6e93ee1b] to [7660e71094].

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        Custom name ->
            name

        CustomGeneric name _ ->
            name

        Union _ ->






            "Union"



        Quotation quotType ->
            "[ " ++ wordTypeToString quotType ++ " ]"

        StackRange name ->
            name ++ "..."








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        Custom name ->
            name

        CustomGeneric name _ ->
            name

        Union members ->
            let
                memberString =
                    members
                        |> List.map toDisplayString
                        |> String.join ", "
            in
            "Union("
                ++ memberString
                ++ ")"

        Quotation quotType ->
            "[ " ++ wordTypeToString quotType ++ " ]"

        StackRange name ->
            name ++ "..."

Modified src/Play/Qualifier.elm from [d1f74ef9ef] to [9fd8ef35a0].

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                Err err ->
                    ( err :: errors
                    , acc
                    )

                Ok qualifiedMembers ->
                    ( errors
                    , Dict.insert qualifiedName (CustomTypeDef qualifiedName range generics members) acc
                    )

        Parser.UnionTypeDef range name generics memberTypes ->
            let
                qualifiedName =
                    qualifyName config name

................................................................................
                    else
                        "quote:" ++ qualifyName config currentDefName ++ "/" ++ String.fromInt acc.availableQuoteId

                ( newWordsAfterQuot, externalWords, qualifiedQuotImplResult ) =
                    initQualifyNode quoteName config acc.qualifiedWords quotImpl
            in
            case qualifiedQuotImplResult of
                Ok [ Word _ wordRef ] ->
                    case Dict.get wordRef newWordsAfterQuot of
                        Nothing ->
                            Debug.todo "Cannot happen"

                        Just oldWord ->
                            { acc
                                | qualifiedWords =
                                    Dict.insert wordRef
                                        { oldWord | metadata = Metadata.isQuoted oldWord.metadata }
                                        newWordsAfterQuot
                                , qualifiedNodes = Ok (WordRef sourceLocation wordRef) :: acc.qualifiedNodes
                                , externalWords = Set.union externalWords acc.externalWords
                            }

                Ok qualifiedQuotImpl ->
                    { acc
                        | availableQuoteId = acc.availableQuoteId + 1
                        , qualifiedWords =
                            Dict.insert quoteName
                                { name = quoteName
                                , metadata =







|







 







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                Err err ->
                    ( err :: errors
                    , acc
                    )

                Ok qualifiedMembers ->
                    ( errors
                    , Dict.insert qualifiedName (CustomTypeDef qualifiedName range generics qualifiedMembers) acc
                    )

        Parser.UnionTypeDef range name generics memberTypes ->
            let
                qualifiedName =
                    qualifyName config name

................................................................................
                    else
                        "quote:" ++ qualifyName config currentDefName ++ "/" ++ String.fromInt acc.availableQuoteId

                ( newWordsAfterQuot, externalWords, qualifiedQuotImplResult ) =
                    initQualifyNode quoteName config acc.qualifiedWords quotImpl
            in
            case qualifiedQuotImplResult of















                Ok qualifiedQuotImpl ->
                    { acc
                        | availableQuoteId = acc.availableQuoteId + 1
                        , qualifiedWords =
                            Dict.insert quoteName
                                { name = quoteName
                                , metadata =

Modified src/Play/TypeChecker.elm from [2a58b70563] to [03b15c559b].

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    Context
    -> Qualifier.WordDefinition
    -> List ( Qualifier.TypeMatch, List Qualifier.Node )
    -> List Qualifier.Node
    -> Context
typeCheckMultiImplementation context untypedDef initialWhens defaultImpl =
    let
        untypedDefMetadata =
            untypedDef.metadata

        untypedDefNoTypeAnnotation =
            { untypedDef
                | metadata =
                    { untypedDefMetadata
                        | type_ = TypeSignature.NotProvided
                    }
            }

        whens =
            case defaultImpl of
                [] ->
                    initialWhens

                _ ->
                    let
                        ( inferredDefaultType, _ ) =
                            typeCheckImplementation
                                untypedDefNoTypeAnnotation
                                defaultImpl
                                (cleanContext context)
                    in
                    case inferredDefaultType.input of
                        [] ->
                            Debug.todo "Default impl doesn't have an input argument"

                        firstType :: _ ->
                            ( Qualifier.TypeMatch SourceLocation.emptyRange firstType [], defaultImpl ) :: initialWhens

        ( inferredWhenTypes, newContext ) =

            List.foldr (inferWhenTypes untypedDefNoTypeAnnotation) ( [], context ) whens
                |> Tuple.mapFirst normalizeWhenTypes
                |> (\( wts, ctx ) -> simplifyWhenWordTypes wts ctx)
                |> Tuple.mapFirst (List.map2 Tuple.pair whenPatterns >> List.map replaceFirstTypeWithPatternMatch)
                |> Tuple.mapFirst equalizeWhenTypes
                |> Tuple.mapFirst (\whenTypes -> List.map (constrainGenerics untypedDef.metadata.type_) whenTypes)

        replaceFirstTypeWithPatternMatch ( Qualifier.TypeMatch _ matchType _, typeSignature ) =
................................................................................


inferWhenTypes :
    Qualifier.WordDefinition
    -> ( Qualifier.TypeMatch, List Qualifier.Node )
    -> ( List WordType, Context )
    -> ( List WordType, Context )
inferWhenTypes untypedDef ( _, im ) ( infs, ctx ) =
    let




















        ( inf, newCtx ) =
            typeCheckImplementation untypedDef im (cleanContext ctx)
    in
    ( inf :: infs, newCtx )


normalizeWhenTypes : List WordType -> List WordType
normalizeWhenTypes whenTypes =
    let
................................................................................

                unzip ( left, right ) ( leftAcc, rightAcc ) =
                    ( left :: leftAcc, right :: rightAcc )

                constrainedInputs =
                    List.map2 constrainAndZip firstType.input secondType.input

                constrainedOutputs =
                    List.map2 constrainAndZip firstType.output secondType.output

                ( unzippedFirstInputs, unzippedSecondInputs ) =
                    List.foldr unzip ( [], [] ) constrainedInputs

                ( unzippedFirstOutputs, unzippedSecondOutputs ) =
                    List.foldr unzip ( [], [] ) constrainedOutputs

                newFirstType =
                    { input = unzippedFirstInputs
                    , output = unzippedFirstOutputs
                    }

                newSecondType =
                    { input = unzippedSecondInputs
                    , output = unzippedSecondOutputs
                    }
            in
            equalizeWhenTypesHelper
                remaining
                remappedGenerics
                (newSecondType :: newFirstType :: acc)

................................................................................

unionOfTypeMatches : List ( Qualifier.TypeMatch, a ) -> Type
unionOfTypeMatches whenBranches =
    let
        uniqueTypes =
            whenBranches
                |> List.map (Tuple.first >> extractTypeFromTypeMatch)

                |> List.gatherEquals
                |> List.map Tuple.first








    in
    case uniqueTypes of
        [ singleType ] ->
            singleType

        _ ->
            Type.Union uniqueTypes
................................................................................
            Type.Generic (genName ++ String.fromInt idx)

        Type.CustomGeneric name generics ->
            Type.CustomGeneric name (List.map (tagGeneric idx) generics)

        Type.Union members ->
            Type.Union (List.map (tagGeneric idx) members)







        _ ->
            type_


wordTypeToStackEffects : WordType -> List StackEffect
wordTypeToStackEffects wordType =







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    Context
    -> Qualifier.WordDefinition
    -> List ( Qualifier.TypeMatch, List Qualifier.Node )
    -> List Qualifier.Node
    -> Context
typeCheckMultiImplementation context untypedDef initialWhens defaultImpl =
    let











        whens =
            case defaultImpl of
                [] ->
                    initialWhens

                _ ->
                    let
                        ( inferredDefaultType, _ ) =
                            typeCheckImplementation untypedDef defaultImpl (cleanContext context)



                    in
                    case inferredDefaultType.input of
                        [] ->
                            Debug.todo "Default impl doesn't have an input argument"

                        firstType :: _ ->
                            ( Qualifier.TypeMatch SourceLocation.emptyRange firstType [], defaultImpl ) :: initialWhens

        ( inferredWhenTypes, newContext ) =
            whens
                |> List.foldr (inferWhenTypes untypedDef) ( [], context )
                |> Tuple.mapFirst normalizeWhenTypes
                |> (\( wts, ctx ) -> simplifyWhenWordTypes wts ctx)
                |> Tuple.mapFirst (List.map2 Tuple.pair whenPatterns >> List.map replaceFirstTypeWithPatternMatch)
                |> Tuple.mapFirst equalizeWhenTypes
                |> Tuple.mapFirst (\whenTypes -> List.map (constrainGenerics untypedDef.metadata.type_) whenTypes)

        replaceFirstTypeWithPatternMatch ( Qualifier.TypeMatch _ matchType _, typeSignature ) =
................................................................................


inferWhenTypes :
    Qualifier.WordDefinition
    -> ( Qualifier.TypeMatch, List Qualifier.Node )
    -> ( List WordType, Context )
    -> ( List WordType, Context )
inferWhenTypes untypedDef ( Qualifier.TypeMatch _ t _, im ) ( infs, ctx ) =
    let
        alteredTypeSignature =
            case untypedDef.metadata.type_ of
                TypeSignature.UserProvided wt ->
                    TypeSignature.UserProvided <|
                        case wt.input of
                            _ :: rest ->
                                { wt | input = t :: rest }

                            _ ->
                                wt

                x ->
                    x

        metadata =
            untypedDef.metadata

        alteredDef =
            { untypedDef | metadata = { metadata | type_ = alteredTypeSignature } }

        ( inf, newCtx ) =
            typeCheckImplementation alteredDef im (cleanContext ctx)
    in
    ( inf :: infs, newCtx )


normalizeWhenTypes : List WordType -> List WordType
normalizeWhenTypes whenTypes =
    let
................................................................................

                unzip ( left, right ) ( leftAcc, rightAcc ) =
                    ( left :: leftAcc, right :: rightAcc )

                constrainedInputs =
                    List.map2 constrainAndZip firstType.input secondType.input




                ( unzippedFirstInputs, unzippedSecondInputs ) =
                    List.foldr unzip ( [], [] ) constrainedInputs




                newFirstType =
                    { input = unzippedFirstInputs
                    , output = firstType.output
                    }

                newSecondType =
                    { input = unzippedSecondInputs
                    , output = secondType.output
                    }
            in
            equalizeWhenTypesHelper
                remaining
                remappedGenerics
                (newSecondType :: newFirstType :: acc)

................................................................................

unionOfTypeMatches : List ( Qualifier.TypeMatch, a ) -> Type
unionOfTypeMatches whenBranches =
    let
        uniqueTypes =
            whenBranches
                |> List.map (Tuple.first >> extractTypeFromTypeMatch)
                |> List.concatMap flattenUnions
                |> List.gatherEquals
                |> List.map Tuple.first

        flattenUnions t =
            case t of
                Type.Union members ->
                    List.concatMap flattenUnions members

                _ ->
                    [ t ]
    in
    case uniqueTypes of
        [ singleType ] ->
            singleType

        _ ->
            Type.Union uniqueTypes
................................................................................
            Type.Generic (genName ++ String.fromInt idx)

        Type.CustomGeneric name generics ->
            Type.CustomGeneric name (List.map (tagGeneric idx) generics)

        Type.Union members ->
            Type.Union (List.map (tagGeneric idx) members)

        Type.Quotation wt ->
            Type.Quotation
                { input = List.map (tagGeneric idx) wt.input
                , output = List.map (tagGeneric idx) wt.output
                }

        _ ->
            type_


wordTypeToStackEffects : WordType -> List StackEffect
wordTypeToStackEffects wordType =

Modified src/Play/TypeChecker/Problem.elm from [b183d4af4c] to [63d1018a02].

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                ++ "' needs to be declared."

        TypeError range name actual expected ->
            SourceLocation.extractFromString source range
                ++ "\n\n"
                ++ "The type of '"
                ++ name
                ++ "' is specified to be: "
                ++ Type.wordTypeToString actual
                ++ ".\nHowever, it seems that the actual type is: "
                ++ Type.wordTypeToString expected

        UnexpectedType range name actual expected ->
            SourceLocation.extractFromString source range
                ++ "\n\n"
                ++ "Found a problem in the implementation of '"
                ++ name
                ++ "'.\n\nExpected: "
                ++ Type.toDisplayString expected
                ++ ".\nActual: "
                ++ Type.toDisplayString actual
                ++ "."

        InconsistentWhens range name ->
            SourceLocation.extractFromString source range
                ++ "\n\n"
                ++ "The branches of '"
                ++ name
                ++ "' do not all have the same type."







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                ++ "' needs to be declared."

        TypeError range name actual expected ->
            SourceLocation.extractFromString source range
                ++ "\n\n"
                ++ "The type of '"
                ++ name
                ++ "' is specified to be:\n\n"
                ++ Type.wordTypeToString actual
                ++ "\n\nHowever, it seems that the actual type is:\n\n"
                ++ Type.wordTypeToString expected

        UnexpectedType range name actual expected ->
            SourceLocation.extractFromString source range
                ++ "\n\n"
                ++ "Found a problem in the implementation of '"
                ++ name
                ++ "'.\n\nExpected:\n\n"
                ++ Type.toDisplayString expected
                ++ "\n\nActual:\n"
                ++ Type.toDisplayString actual


        InconsistentWhens range name ->
            SourceLocation.extractFromString source range
                ++ "\n\n"
                ++ "The branches of '"
                ++ name
                ++ "' do not all have the same type."

Deleted stdlib/lib/useless/junk version [a7ffc6f8bf].

Deleted stdlib/lib/version/play.json version [73b800a441].

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{
    "name": "play/version",
    "version": "1.0.0",
    "language-version": "0.2.0",
    "exposed-modules": [
        "version/data"
    ],
    "dependencies": {
    },
    "package-paths": [
    ]
}
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Deleted stdlib/lib/version/src/version/data.play version [f4d9804625].

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def: minor
: 1
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Modified stdlib/play.json from [163a77ae7d] to [f2261f0ba9].

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{
    "name": "play/standard_library",
    "version": "0.2.0",
    "language-version": "0.2.0",
    "exposed-modules": [
        "basic"



    ],
    "dependencies": {
        "play/version": "1.0.0"
    },
    "package-paths": [
        "lib/*"
    ]
}





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{
    "name": "play/standard_library",
    "version": "0.2.0",
    "language-version": "0.2.0",
    "exposed-modules": [
        "core",
        "maybe",
        "pair",
        "list"
    ],
    "dependencies": {},


    "package-paths": []


}

Modified stdlib/src/core.play from [0ef79cb1cb] to [b4257695bb].


























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def: version
: tmp/mod/major /version/data/minor + 

















































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# Everything in core is imported into every module outside the standard library

# booleans

defunion: Bool
: True
: False

defstruct: True
defstruct: False

defmulti: not
type: Bool -- Bool
: True
  drop False
: False
  drop True

defmulti: select
type: Bool a a -- a
: True
  drop swap drop
: False
  rotate drop2

def: if

type: a... Bool [ a... -- b... ] [ a... -- b... ] -- b...
: select !

# stack manipulation

def: over
type: a b -- a b a
: swap dup rotate

def: drop2
type: a b c -- a
: drop drop

def: split
type: a [ a -- b ] [ a -- c ] -- b c
: -rotate dup # [] [] a a
  -rotate ! # [] a c
  swap -rotate # c a []
  ! # c b
  swap
  
# numbers

defmulti: zero?
type: Int -- Bool
: Int( value 0 )
  drop True
: Int
  drop False 

def: int=
type: Int Int -- Bool
: - zero?

def: negate
type: Int -- Int
: dup dup - swap -

def: square
type: Int -- Int
: dup *

def: inc
type: Int -- Int
: 1 +

def: dec
type: Int -- Int
: 1 -

Added stdlib/src/list.play version [a7b678c1a9].



































































































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defunion: List a
: NonEmpty a
: Empty

defstruct: NonEmpty a
: first a
: rest (List a)

defstruct: Empty

def: of-one
type: a -- (NonEmpty a)
: Empty >NonEmpty

def: of-two
type: a a -- (NonEmpty a)
: Empty >NonEmpty >NonEmpty

def: of-three
type: a a a -- (NonEmpty a)
: Empty >NonEmpty >NonEmpty >NonEmpty

defmulti: fold
type: (List a) b [ a b -- b ] -- b
: Empty
  drop swap drop
: NonEmpty
  pair/>Pair
  swap # (Pair b quot) (NonEmpty a)
  [ first> ] [ rest> ] core/split # Pair first rest
  rotate swap # rest first Pair
  dup rotate # rest Pair first Pair
  pair/spill # rest Pair first b quot
  ! # rest Pair b
  swap pair/second> # rest b quot
  fold

def: reverse
type: (List a) -- (List a)
: Empty [ >NonEmpty ] fold

def: fold-right
type: (List a) b [ a b -- b ] -- b
: -rotate reverse rotate fold

def: test
: 1 2 3 of-three
  0 [ + ] fold

Added stdlib/src/maybe.play version [00d98b8fe3].









































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defunion: Maybe a
: a
: Nothing

defstruct: Nothing

defmulti: map
type: (Maybe a) [ a -- b ] -- (Maybe b)
: a
  !
: Nothing
  drop

defmulti: when-nothing
type: (Maybe a) a -- a
: a
  drop
: Nothing
  swap drop

Added stdlib/src/pair.play version [0056df763e].







































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defstruct: Pair a b
: first a
: second b

def: spill
type: (Pair a b) -- a b
: [ first> ] [ second> ] core/split

def: map
type: (Pair a b) [ a b -- c d ] -- (Pair c d)
: swap spill -rotate ! >Pair

def: map-first
type: (Pair a b) [ a -- c ] -- (Pair c b)
: core/over first> swap ! >first

def: map-second
type: (Pair a b) [ b -- c ] -- (Pair a c)
: core/over second> swap ! >second

Deleted stdlib/src/tmp/mod.play version [2e69dc67e4].

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def: major
: 2
<
<




Modified tests/Test/Qualifier.elm from [34e6530c10] to [883b702e60].

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                                                , Builtin emptyRange Builtin.Minus
                                                ]
                                      }
                                    ]
                            }
                    in
                    QualifierUtil.expectOutput unqualifiedAst expectedAst
            , test "Do not create new function if quoting exactly one word" <|
                \_ ->
                    let
                        unqualifiedAst =
                            { types = Dict.empty
                            , words =
                                Dict.fromListBy .name
                                    [ { name = "main"
                                      , metadata =
                                            Metadata.default
                                                |> Metadata.asEntryPoint
                                      , implementation =
                                            AST.SoloImpl
                                                [ AST.Integer emptyRange 1
                                                , AST.Quotation emptyRange
................................................................................
                                    ]
                            }

                        expectedAst =
                            { types = Dict.empty
                            , words =
                                Dict.fromListBy .name
                                    [ { name = "main"
                                      , metadata =
                                            Metadata.default
                                                |> Metadata.asEntryPoint
                                      , implementation =
                                            SoloImpl
                                                [ Integer emptyRange 1
                                                , WordRef emptyRange "inc"
                                                , Builtin emptyRange Builtin.Apply
                                                ]
                                      }
                                    , { name = "inc"








                                      , metadata =
                                            Metadata.default
                                                |> Metadata.isQuoted
                                      , implementation =
                                            SoloImpl
                                                [ Integer emptyRange 1
                                                , Builtin emptyRange Builtin.Plus
                                                ]
                                      }
                                    ]
                            }
                    in
                    QualifierUtil.expectOutput unqualifiedAst expectedAst
            , test "Quotes within quotes is fine" <|
................................................................................
                                            |> Metadata.withVerifiedType [ Type.Custom "/play/test/some/module/Cent" ] [ Type.Int ]
                                  , implementation =
                                        SoloImpl
                                            [ GetMember "/play/test/some/module/Cent" "cent-value" ]
                                  }
                                ]
                        }

































































































































































                in
                QualifierUtil.expectModuleOutput unqualifiedAst expectedAst
        , describe "Module loading"
            [ test "Detects package reference in simple word" <|
                \_ ->
                    let
                        unqualifiedAst =







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                                                , Builtin emptyRange Builtin.Minus
                                                ]
                                      }
                                    ]
                            }
                    in
                    QualifierUtil.expectOutput unqualifiedAst expectedAst
            , test "Quoting a word which hasn't been qualified yet is fine" <|
                \_ ->
                    let
                        unqualifiedAst =
                            { types = Dict.empty
                            , words =
                                Dict.fromListBy .name
                                    [ { name = "a"
                                      , metadata =
                                            Metadata.default
                                                |> Metadata.asEntryPoint
                                      , implementation =
                                            AST.SoloImpl
                                                [ AST.Integer emptyRange 1
                                                , AST.Quotation emptyRange
................................................................................
                                    ]
                            }

                        expectedAst =
                            { types = Dict.empty
                            , words =
                                Dict.fromListBy .name
                                    [ { name = "a"
                                      , metadata =
                                            Metadata.default
                                                |> Metadata.asEntryPoint
                                      , implementation =
                                            SoloImpl
                                                [ Integer emptyRange 1
                                                , WordRef emptyRange "quote:a/1"
                                                , Builtin emptyRange Builtin.Apply
                                                ]
                                      }
                                    , { name = "inc"
                                      , metadata = Metadata.default
                                      , implementation =
                                            SoloImpl
                                                [ Integer emptyRange 1
                                                , Builtin emptyRange Builtin.Plus
                                                ]
                                      }
                                    , { name = "quote:a/1"
                                      , metadata =
                                            Metadata.default
                                                |> Metadata.isQuoted
                                      , implementation =
                                            SoloImpl
                                                [ Word emptyRange "inc"

                                                ]
                                      }
                                    ]
                            }
                    in
                    QualifierUtil.expectOutput unqualifiedAst expectedAst
            , test "Quotes within quotes is fine" <|
................................................................................
                                            |> Metadata.withVerifiedType [ Type.Custom "/play/test/some/module/Cent" ] [ Type.Int ]
                                  , implementation =
                                        SoloImpl
                                            [ GetMember "/play/test/some/module/Cent" "cent-value" ]
                                  }
                                ]
                        }
                in
                QualifierUtil.expectModuleOutput unqualifiedAst expectedAst
        , test "member types are qualified" <|
            \_ ->
                let
                    qualifiedUsMoneyUnion =
                        [ Type.Custom "/play/test/some/module/Dollar"
                        , Type.Custom "/play/test/some/module/Cent"
                        ]

                    unqualifiedAst =
                        { types =
                            Dict.fromListBy AST.typeDefinitionName
                                [ AST.UnionTypeDef emptyRange
                                    "USMoney"
                                    []
                                    [ Type.Custom "Dollar"
                                    , Type.Custom "Cent"
                                    ]
                                , AST.CustomTypeDef emptyRange
                                    "Wallet"
                                    []
                                    [ ( "user-id", Type.Int )
                                    , ( "value", Type.Custom "USMoney" )
                                    ]
                                , AST.CustomTypeDef emptyRange
                                    "Dollar"
                                    []
                                    [ ( "dollar-value", Type.Int ) ]
                                , AST.CustomTypeDef emptyRange
                                    "Cent"
                                    []
                                    [ ( "cent-value", Type.Int ) ]
                                ]
                        , words = Dict.empty
                        }
                            |> ParserUtil.addFunctionsForStructs

                    expectedAst =
                        { types =
                            Dict.fromListBy typeDefinitionName
                                [ UnionTypeDef
                                    "/play/test/some/module/USMoney"
                                    emptyRange
                                    []
                                    qualifiedUsMoneyUnion
                                , CustomTypeDef "/play/test/some/module/Dollar"
                                    emptyRange
                                    []
                                    [ ( "dollar-value", Type.Int ) ]
                                , CustomTypeDef "/play/test/some/module/Cent"
                                    emptyRange
                                    []
                                    [ ( "cent-value", Type.Int ) ]
                                , CustomTypeDef "/play/test/some/module/Wallet"
                                    emptyRange
                                    []
                                    [ ( "user-id", Type.Int )
                                    , ( "value", Type.Union qualifiedUsMoneyUnion )
                                    ]
                                ]
                        , words =
                            Dict.fromListBy .name
                                [ { name = "/play/test/some/module/>Dollar"
                                  , metadata =
                                        Metadata.default
                                            |> Metadata.withVerifiedType [ Type.Int ] [ Type.Custom "/play/test/some/module/Dollar" ]
                                  , implementation =
                                        SoloImpl [ ConstructType "/play/test/some/module/Dollar" ]
                                  }
                                , { name = "/play/test/some/module/>Cent"
                                  , metadata =
                                        Metadata.default
                                            |> Metadata.withVerifiedType [ Type.Int ] [ Type.Custom "/play/test/some/module/Cent" ]
                                  , implementation =
                                        SoloImpl [ ConstructType "/play/test/some/module/Cent" ]
                                  }
                                , { name = "/play/test/some/module/>Wallet"
                                  , metadata =
                                        Metadata.default
                                            |> Metadata.withVerifiedType [ Type.Int, Type.Union qualifiedUsMoneyUnion ]
                                                [ Type.Custom "/play/test/some/module/Wallet" ]
                                  , implementation =
                                        SoloImpl [ ConstructType "/play/test/some/module/Wallet" ]
                                  }
                                , { name = "/play/test/some/module/>dollar-value"
                                  , metadata =
                                        Metadata.default
                                            |> Metadata.withVerifiedType
                                                [ Type.Custom "/play/test/some/module/Dollar", Type.Int ]
                                                [ Type.Custom "/play/test/some/module/Dollar" ]
                                  , implementation =
                                        SoloImpl
                                            [ SetMember "/play/test/some/module/Dollar" "dollar-value" ]
                                  }
                                , { name = "/play/test/some/module/>cent-value"
                                  , metadata =
                                        Metadata.default
                                            |> Metadata.withVerifiedType
                                                [ Type.Custom "/play/test/some/module/Cent", Type.Int ]
                                                [ Type.Custom "/play/test/some/module/Cent" ]
                                  , implementation =
                                        SoloImpl
                                            [ SetMember "/play/test/some/module/Cent" "cent-value" ]
                                  }
                                , { name = "/play/test/some/module/>user-id"
                                  , metadata =
                                        Metadata.default
                                            |> Metadata.withVerifiedType
                                                [ Type.Custom "/play/test/some/module/Wallet", Type.Int ]
                                                [ Type.Custom "/play/test/some/module/Wallet" ]
                                  , implementation =
                                        SoloImpl
                                            [ SetMember "/play/test/some/module/Wallet" "user-id" ]
                                  }
                                , { name = "/play/test/some/module/>value"
                                  , metadata =
                                        Metadata.default
                                            |> Metadata.withVerifiedType
                                                [ Type.Custom "/play/test/some/module/Wallet", Type.Union qualifiedUsMoneyUnion ]
                                                [ Type.Custom "/play/test/some/module/Wallet" ]
                                  , implementation =
                                        SoloImpl
                                            [ SetMember "/play/test/some/module/Wallet" "value" ]
                                  }
                                , { name = "/play/test/some/module/dollar-value>"
                                  , metadata =
                                        Metadata.default
                                            |> Metadata.withVerifiedType [ Type.Custom "/play/test/some/module/Dollar" ] [ Type.Int ]
                                  , implementation =
                                        SoloImpl
                                            [ GetMember "/play/test/some/module/Dollar" "dollar-value" ]
                                  }
                                , { name = "/play/test/some/module/cent-value>"
                                  , metadata =
                                        Metadata.default
                                            |> Metadata.withVerifiedType [ Type.Custom "/play/test/some/module/Cent" ] [ Type.Int ]
                                  , implementation =
                                        SoloImpl
                                            [ GetMember "/play/test/some/module/Cent" "cent-value" ]
                                  }
                                , { name = "/play/test/some/module/user-id>"
                                  , metadata =
                                        Metadata.default
                                            |> Metadata.withVerifiedType [ Type.Custom "/play/test/some/module/Wallet" ] [ Type.Int ]
                                  , implementation =
                                        SoloImpl
                                            [ GetMember "/play/test/some/module/Wallet" "user-id" ]
                                  }
                                , { name = "/play/test/some/module/value>"
                                  , metadata =
                                        Metadata.default
                                            |> Metadata.withVerifiedType
                                                [ Type.Custom "/play/test/some/module/Wallet" ]
                                                [ Type.Union qualifiedUsMoneyUnion ]
                                  , implementation =
                                        SoloImpl
                                            [ GetMember "/play/test/some/module/Wallet" "value" ]
                                  }
                                ]
                        }
                in
                QualifierUtil.expectModuleOutput unqualifiedAst expectedAst
        , describe "Module loading"
            [ test "Detects package reference in simple word" <|
                \_ ->
                    let
                        unqualifiedAst =

Modified tests/Test/TypeChecker.elm from [7ab0558be9] to [51729be1c5].

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                    Err err ->
                        err
                            |> List.map (Problem.toString "")
                            |> String.join "\n"
                            |> (++) "Did not expect type check to fail.\n"
                            |> Expect.fail





































































































































































































                    Ok _ ->
                        Expect.pass
        , test "Generic custom type fails if not generic is listed" <|
            \_ ->
                let
                    input =
                        { types =
................................................................................
                                        ]
                                        [ QAST.Builtin emptyRange Builtin.StackDrop
                                        , QAST.Integer emptyRange 1
                                        ]
                                }
                    in
                    case run input of
                        Err _ ->
                            Expect.fail "Did not expect type check to fail."

                        Ok _ ->
                            Expect.pass
            , test "With default branch (no type meta)" <|
                \_ ->
                    let
                        input =
................................................................................
                    in
                    case run input of
                        Ok _ ->
                            Expect.pass

                        Err _ ->
                            Expect.fail "Did not expect type check to fail."





















































            , test "With generics" <|
                \_ ->
                    let
                        input =
                            { types = Dict.empty
                            , words =
                                Dict.fromListBy .name







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                    Err err ->
                        err
                            |> List.map (Problem.toString "")
                            |> String.join "\n"
                            |> (++) "Did not expect type check to fail.\n"
                            |> Expect.fail

                    Ok _ ->
                        Expect.pass
        , test "Generic types with generic quotations" <|
            \_ ->
                let
                    listUnion =
                        [ Type.Custom "Empty"
                        , Type.CustomGeneric "NonEmpty" [ Type.Generic "a" ]
                        ]

                    input =
                        { types =
                            Dict.fromListBy QAST.typeDefinitionName
                                [ QAST.CustomTypeDef "Pair"
                                    emptyRange
                                    [ "a", "b" ]
                                    [ ( "first", Type.Generic "a" )
                                    , ( "second", Type.Generic "b" )
                                    ]
                                , QAST.UnionTypeDef "List"
                                    emptyRange
                                    [ "a" ]
                                    listUnion
                                , QAST.CustomTypeDef "NonEmpty"
                                    emptyRange
                                    [ "a" ]
                                    [ ( "head", Type.Generic "a" )
                                    , ( "rest", Type.Union listUnion )
                                    ]
                                , QAST.CustomTypeDef "Empty" emptyRange [] []
                                ]
                        , words =
                            Dict.fromListBy .name
                                [ { name = "main"
                                  , metadata =
                                        Metadata.default
                                            |> Metadata.withType [] [ Type.Int ]
                                  , implementation =
                                        QAST.SoloImpl
                                            [ QAST.Integer emptyRange 1
                                            , QAST.Integer emptyRange 2
                                            , QAST.Integer emptyRange 3
                                            , QAST.Word emptyRange "Empty"
                                            , QAST.Word emptyRange ">NonEmpty"
                                            , QAST.Word emptyRange ">NonEmpty"
                                            , QAST.Word emptyRange ">NonEmpty"
                                            , QAST.Integer emptyRange 0
                                            , QAST.WordRef emptyRange "main__quot1"
                                            , QAST.Word emptyRange "fold"
                                            ]
                                  }
                                , { name = "main__quot1"
                                  , metadata = Metadata.default
                                  , implementation =
                                        QAST.SoloImpl
                                            [ QAST.Builtin emptyRange Builtin.Plus
                                            ]
                                  }
                                , { name = "fold"
                                  , metadata =
                                        Metadata.default
                                            |> Metadata.withType
                                                [ Type.Union listUnion
                                                , Type.Generic "b"
                                                , Type.Quotation
                                                    { input =
                                                        [ Type.Generic "a"
                                                        , Type.Generic "b"
                                                        ]
                                                    , output =
                                                        [ Type.Generic "b"
                                                        ]
                                                    }
                                                ]
                                                [ Type.Generic "b" ]
                                  , implementation =
                                        QAST.MultiImpl
                                            [ ( QAST.TypeMatch emptyRange (Type.Custom "Empty") []
                                              , [ QAST.Builtin emptyRange Builtin.StackDrop
                                                , QAST.Builtin emptyRange Builtin.StackSwap
                                                , QAST.Builtin emptyRange Builtin.StackDrop
                                                ]
                                              )
                                            , ( QAST.TypeMatch emptyRange (Type.CustomGeneric "NonEmpty" [ Type.Generic "a" ]) []
                                              , [ QAST.Word emptyRange ">Pair"
                                                , QAST.Builtin emptyRange Builtin.StackSwap
                                                , QAST.WordRef emptyRange "fold_quot1"
                                                , QAST.WordRef emptyRange "fold_quot2"
                                                , QAST.Word emptyRange "split"
                                                , QAST.Builtin emptyRange Builtin.StackRightRotate
                                                , QAST.Builtin emptyRange Builtin.StackSwap
                                                , QAST.Builtin emptyRange Builtin.StackDuplicate
                                                , QAST.Builtin emptyRange Builtin.StackRightRotate
                                                , QAST.Word emptyRange "spill"
                                                , QAST.Builtin emptyRange Builtin.Apply
                                                , QAST.Builtin emptyRange Builtin.StackSwap
                                                , QAST.Word emptyRange "second>"
                                                , QAST.Word emptyRange "fold"
                                                ]
                                              )
                                            ]
                                            []
                                  }
                                , { name = "fold_quot1"
                                  , metadata =
                                        Metadata.default
                                            |> Metadata.isQuoted
                                  , implementation =
                                        QAST.SoloImpl
                                            [ QAST.Word emptyRange "head>" ]
                                  }
                                , { name = "fold_quot2"
                                  , metadata =
                                        Metadata.default
                                            |> Metadata.isQuoted
                                  , implementation =
                                        QAST.SoloImpl
                                            [ QAST.Word emptyRange "rest>" ]
                                  }
                                , { name = "split"
                                  , metadata =
                                        Metadata.default
                                            |> Metadata.withType
                                                [ Type.Generic "a"
                                                , Type.Quotation
                                                    { input = [ Type.Generic "a" ]
                                                    , output = [ Type.Generic "b" ]
                                                    }
                                                , Type.Quotation
                                                    { input = [ Type.Generic "a" ]
                                                    , output = [ Type.Generic "c" ]
                                                    }
                                                ]
                                                [ Type.Generic "b"
                                                , Type.Generic "c"
                                                ]
                                  , implementation =
                                        QAST.SoloImpl
                                            [ QAST.Builtin emptyRange Builtin.StackLeftRotate
                                            , QAST.Builtin emptyRange Builtin.StackDuplicate
                                            , QAST.Builtin emptyRange Builtin.StackLeftRotate
                                            , QAST.Builtin emptyRange Builtin.Apply
                                            , QAST.Builtin emptyRange Builtin.StackSwap
                                            , QAST.Builtin emptyRange Builtin.StackLeftRotate
                                            , QAST.Builtin emptyRange Builtin.Apply
                                            , QAST.Builtin emptyRange Builtin.StackSwap
                                            ]
                                  }
                                , { name = "spill"
                                  , metadata =
                                        Metadata.default
                                            |> Metadata.withType
                                                [ Type.CustomGeneric "Pair"
                                                    [ Type.Generic "a"
                                                    , Type.Generic "b"
                                                    ]
                                                ]
                                                [ Type.Generic "a"
                                                , Type.Generic "b"
                                                ]
                                  , implementation =
                                        QAST.SoloImpl
                                            [ QAST.WordRef emptyRange "spill_quot1"
                                            , QAST.WordRef emptyRange "spill_quot2"
                                            , QAST.Word emptyRange "split"
                                            ]
                                  }
                                , { name = "spill_quot1"
                                  , metadata =
                                        Metadata.default
                                            |> Metadata.isQuoted
                                  , implementation =
                                        QAST.SoloImpl
                                            [ QAST.Word emptyRange "first>" ]
                                  }
                                , { name = "spill_quot2"
                                  , metadata =
                                        Metadata.default
                                            |> Metadata.isQuoted
                                  , implementation =
                                        QAST.SoloImpl
                                            [ QAST.Word emptyRange "second>" ]
                                  }
                                ]
                        }
                            |> QualifierUtil.addFunctionsForStructs
                in
                case run input of
                    Err err ->
                        err
                            |> Debug.log "err"
                            |> List.map (Problem.toString "")
                            |> String.join "\n"
                            |> (++) "Did not expect type check to fail.\n"
                            |> Expect.fail

                    Ok _ ->
                        Expect.pass
        , test "Generic custom type fails if not generic is listed" <|
            \_ ->
                let
                    input =
                        { types =
................................................................................
                                        ]
                                        [ QAST.Builtin emptyRange Builtin.StackDrop
                                        , QAST.Integer emptyRange 1
                                        ]
                                }
                    in
                    case run input of
                        Err err ->
                            Expect.fail <| "Did not expect type check to fail." ++ Debug.toString err

                        Ok _ ->
                            Expect.pass
            , test "With default branch (no type meta)" <|
                \_ ->
                    let
                        input =
................................................................................
                    in
                    case run input of
                        Ok _ ->
                            Expect.pass

                        Err _ ->
                            Expect.fail "Did not expect type check to fail."
            , test "Typechecking involving a multi-arity quotation is fine _if_ arity info is in type annotation" <|
                \_ ->
                    let
                        input =
                            { types = Dict.empty
                            , words =
                                Dict.fromListBy .name
                                    [ { name = "apply-to-nums"
                                      , metadata =
                                            Metadata.default
                                                |> Metadata.withType
                                                    [ Type.Quotation
                                                        { input = [ Type.Int, Type.Int ]
                                                        , output = [ Type.Int ]
                                                        }
                                                    ]
                                                    [ Type.Int ]
                                      , implementation =
                                            QAST.SoloImpl
                                                [ QAST.Integer emptyRange 1
                                                , QAST.Integer emptyRange 2
                                                , QAST.Builtin emptyRange Builtin.StackLeftRotate
                                                , QAST.Builtin emptyRange Builtin.Apply
                                                ]
                                      }
                                    , { name = "main"
                                      , metadata =
                                            Metadata.default
                                                |> Metadata.asEntryPoint
                                      , implementation =
                                            QAST.SoloImpl
                                                [ QAST.WordRef emptyRange "main__quot1"
                                                , QAST.Word emptyRange "apply-to-nums"
                                                ]
                                      }
                                    , { name = "main__quot1"
                                      , metadata =
                                            Metadata.default
                                                |> Metadata.isQuoted
                                      , implementation =
                                            QAST.SoloImpl
                                                [ QAST.Builtin emptyRange Builtin.Plus
                                                ]
                                      }
                                    ]
                            }
                    in
                    case run input of
                        Ok _ ->
                            Expect.pass

                        Err err ->
                            Expect.fail <| "Did not expect type check to fail:" ++ Debug.toString err
            , test "With generics" <|
                \_ ->
                    let
                        input =
                            { types = Dict.empty
                            , words =
                                Dict.fromListBy .name