62 lines
3.5 KiB
Plaintext
62 lines
3.5 KiB
Plaintext
=== tests/cases/conformance/types/typeRelationships/recursiveTypes/nominalSubtypeCheckOfTypeParameter.ts ===
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interface Tuple<T, S> {
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>Tuple : Tuple<T, S>, Symbol(Tuple, Decl(nominalSubtypeCheckOfTypeParameter.ts, 0, 0))
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>T : T, Symbol(T, Decl(nominalSubtypeCheckOfTypeParameter.ts, 0, 16))
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>S : S, Symbol(S, Decl(nominalSubtypeCheckOfTypeParameter.ts, 0, 18))
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first: T
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>first : T, Symbol(first, Decl(nominalSubtypeCheckOfTypeParameter.ts, 0, 23))
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>T : T, Symbol(T, Decl(nominalSubtypeCheckOfTypeParameter.ts, 0, 16))
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second: S
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>second : S, Symbol(second, Decl(nominalSubtypeCheckOfTypeParameter.ts, 1, 12))
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>S : S, Symbol(S, Decl(nominalSubtypeCheckOfTypeParameter.ts, 0, 18))
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}
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interface Sequence<T> {
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>Sequence : Sequence<T>, Symbol(Sequence, Decl(nominalSubtypeCheckOfTypeParameter.ts, 3, 1))
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>T : T, Symbol(T, Decl(nominalSubtypeCheckOfTypeParameter.ts, 5, 19))
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hasNext(): boolean
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>hasNext : () => boolean, Symbol(hasNext, Decl(nominalSubtypeCheckOfTypeParameter.ts, 5, 23))
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pop(): T
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>pop : () => T, Symbol(pop, Decl(nominalSubtypeCheckOfTypeParameter.ts, 6, 22))
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>T : T, Symbol(T, Decl(nominalSubtypeCheckOfTypeParameter.ts, 5, 19))
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zip<S>(seq: Sequence<S>): Sequence<Tuple<T, S>>
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>zip : <S>(seq: Sequence<S>) => Sequence<Tuple<T, S>>, Symbol(zip, Decl(nominalSubtypeCheckOfTypeParameter.ts, 7, 14))
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>S : S, Symbol(S, Decl(nominalSubtypeCheckOfTypeParameter.ts, 8, 10))
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>seq : Sequence<S>, Symbol(seq, Decl(nominalSubtypeCheckOfTypeParameter.ts, 8, 13))
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>Sequence : Sequence<T>, Symbol(Sequence, Decl(nominalSubtypeCheckOfTypeParameter.ts, 3, 1))
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>S : S, Symbol(S, Decl(nominalSubtypeCheckOfTypeParameter.ts, 8, 10))
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>Sequence : Sequence<T>, Symbol(Sequence, Decl(nominalSubtypeCheckOfTypeParameter.ts, 3, 1))
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>Tuple : Tuple<T, S>, Symbol(Tuple, Decl(nominalSubtypeCheckOfTypeParameter.ts, 0, 0))
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>T : T, Symbol(T, Decl(nominalSubtypeCheckOfTypeParameter.ts, 5, 19))
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>S : S, Symbol(S, Decl(nominalSubtypeCheckOfTypeParameter.ts, 8, 10))
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}
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// error, despite the fact that the code explicitly says List<T> extends Sequence<T>, the current rules for infinitely expanding type references
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// perform nominal subtyping checks that allow variance for type arguments, but not nominal subtyping for the generic type itself
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interface List<T> extends Sequence<T> {
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>List : List<T>, Symbol(List, Decl(nominalSubtypeCheckOfTypeParameter.ts, 9, 1))
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>T : T, Symbol(T, Decl(nominalSubtypeCheckOfTypeParameter.ts, 13, 15))
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>Sequence : Sequence<T>, Symbol(Sequence, Decl(nominalSubtypeCheckOfTypeParameter.ts, 3, 1))
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>T : T, Symbol(T, Decl(nominalSubtypeCheckOfTypeParameter.ts, 13, 15))
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getLength(): number
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>getLength : () => number, Symbol(getLength, Decl(nominalSubtypeCheckOfTypeParameter.ts, 13, 39))
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zip<S>(seq: Sequence<S>): List<Tuple<T, S>>
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>zip : <S>(seq: Sequence<S>) => List<Tuple<T, S>>, Symbol(zip, Decl(nominalSubtypeCheckOfTypeParameter.ts, 14, 23))
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>S : S, Symbol(S, Decl(nominalSubtypeCheckOfTypeParameter.ts, 15, 10))
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>seq : Sequence<S>, Symbol(seq, Decl(nominalSubtypeCheckOfTypeParameter.ts, 15, 13))
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>Sequence : Sequence<T>, Symbol(Sequence, Decl(nominalSubtypeCheckOfTypeParameter.ts, 3, 1))
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>S : S, Symbol(S, Decl(nominalSubtypeCheckOfTypeParameter.ts, 15, 10))
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>List : List<T>, Symbol(List, Decl(nominalSubtypeCheckOfTypeParameter.ts, 9, 1))
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>Tuple : Tuple<T, S>, Symbol(Tuple, Decl(nominalSubtypeCheckOfTypeParameter.ts, 0, 0))
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>T : T, Symbol(T, Decl(nominalSubtypeCheckOfTypeParameter.ts, 13, 15))
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>S : S, Symbol(S, Decl(nominalSubtypeCheckOfTypeParameter.ts, 15, 10))
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}
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