61 lines
4.2 KiB
Plaintext
61 lines
4.2 KiB
Plaintext
=== tests/cases/compiler/contextualSignatureInstantiation1.ts ===
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declare function map<S, T>(f: (x: S) => T): (a: S[]) => T[];
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>map : <S, T>(f: (x: S) => T) => (a: S[]) => T[], Symbol(map, Decl(contextualSignatureInstantiation1.ts, 0, 0))
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>S : S, Symbol(S, Decl(contextualSignatureInstantiation1.ts, 0, 21))
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>T : T, Symbol(T, Decl(contextualSignatureInstantiation1.ts, 0, 23))
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>f : (x: S) => T, Symbol(f, Decl(contextualSignatureInstantiation1.ts, 0, 27))
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>x : S, Symbol(x, Decl(contextualSignatureInstantiation1.ts, 0, 31))
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>S : S, Symbol(S, Decl(contextualSignatureInstantiation1.ts, 0, 21))
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>T : T, Symbol(T, Decl(contextualSignatureInstantiation1.ts, 0, 23))
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>a : S[], Symbol(a, Decl(contextualSignatureInstantiation1.ts, 0, 45))
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>S : S, Symbol(S, Decl(contextualSignatureInstantiation1.ts, 0, 21))
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>T : T, Symbol(T, Decl(contextualSignatureInstantiation1.ts, 0, 23))
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var e = <K>(x: string, y?: K) => x.length;
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>e : <K>(x: string, y?: K) => number, Symbol(e, Decl(contextualSignatureInstantiation1.ts, 1, 3))
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><K>(x: string, y?: K) => x.length : <K>(x: string, y?: K) => number
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>K : K, Symbol(K, Decl(contextualSignatureInstantiation1.ts, 1, 9))
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>x : string, Symbol(x, Decl(contextualSignatureInstantiation1.ts, 1, 12))
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>y : K, Symbol(y, Decl(contextualSignatureInstantiation1.ts, 1, 22))
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>K : K, Symbol(K, Decl(contextualSignatureInstantiation1.ts, 1, 9))
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>x.length : number, Symbol(String.length, Decl(lib.d.ts, 414, 19))
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>x : string, Symbol(x, Decl(contextualSignatureInstantiation1.ts, 1, 12))
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>length : number, Symbol(String.length, Decl(lib.d.ts, 414, 19))
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var r99 = map(e); // should be {}[] for S since a generic lambda is not inferentially typed
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>r99 : (a: {}[]) => number[], Symbol(r99, Decl(contextualSignatureInstantiation1.ts, 2, 3))
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>map(e) : (a: {}[]) => number[]
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>map : <S, T>(f: (x: S) => T) => (a: S[]) => T[], Symbol(map, Decl(contextualSignatureInstantiation1.ts, 0, 0))
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>e : <K>(x: string, y?: K) => number, Symbol(e, Decl(contextualSignatureInstantiation1.ts, 1, 3))
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declare function map2<S extends { length: number }, T>(f: (x: S) => T): (a: S[]) => T[];
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>map2 : <S extends { length: number; }, T>(f: (x: S) => T) => (a: S[]) => T[], Symbol(map2, Decl(contextualSignatureInstantiation1.ts, 2, 17))
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>S : S, Symbol(S, Decl(contextualSignatureInstantiation1.ts, 4, 22))
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>length : number, Symbol(length, Decl(contextualSignatureInstantiation1.ts, 4, 33))
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>T : T, Symbol(T, Decl(contextualSignatureInstantiation1.ts, 4, 51))
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>f : (x: S) => T, Symbol(f, Decl(contextualSignatureInstantiation1.ts, 4, 55))
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>x : S, Symbol(x, Decl(contextualSignatureInstantiation1.ts, 4, 59))
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>S : S, Symbol(S, Decl(contextualSignatureInstantiation1.ts, 4, 22))
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>T : T, Symbol(T, Decl(contextualSignatureInstantiation1.ts, 4, 51))
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>a : S[], Symbol(a, Decl(contextualSignatureInstantiation1.ts, 4, 73))
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>S : S, Symbol(S, Decl(contextualSignatureInstantiation1.ts, 4, 22))
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>T : T, Symbol(T, Decl(contextualSignatureInstantiation1.ts, 4, 51))
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var e2 = <K>(x: string, y?: K) => x.length;
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>e2 : <K>(x: string, y?: K) => number, Symbol(e2, Decl(contextualSignatureInstantiation1.ts, 5, 3))
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><K>(x: string, y?: K) => x.length : <K>(x: string, y?: K) => number
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>K : K, Symbol(K, Decl(contextualSignatureInstantiation1.ts, 5, 10))
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>x : string, Symbol(x, Decl(contextualSignatureInstantiation1.ts, 5, 13))
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>y : K, Symbol(y, Decl(contextualSignatureInstantiation1.ts, 5, 23))
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>K : K, Symbol(K, Decl(contextualSignatureInstantiation1.ts, 5, 10))
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>x.length : number, Symbol(String.length, Decl(lib.d.ts, 414, 19))
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>x : string, Symbol(x, Decl(contextualSignatureInstantiation1.ts, 5, 13))
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>length : number, Symbol(String.length, Decl(lib.d.ts, 414, 19))
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var r100 = map2(e2); // type arg inference should fail for S since a generic lambda is not inferentially typed. Falls back to { length: number }
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>r100 : (a: { length: number; }[]) => number[], Symbol(r100, Decl(contextualSignatureInstantiation1.ts, 6, 3))
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>map2(e2) : (a: { length: number; }[]) => number[]
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>map2 : <S extends { length: number; }, T>(f: (x: S) => T) => (a: S[]) => T[], Symbol(map2, Decl(contextualSignatureInstantiation1.ts, 2, 17))
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>e2 : <K>(x: string, y?: K) => number, Symbol(e2, Decl(contextualSignatureInstantiation1.ts, 5, 3))
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