61 lines
1.6 KiB
Plaintext
61 lines
1.6 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[]
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>S : S
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>T : T
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>f : (x: S) => T
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>x : S
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>S : S
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>T : T
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>a : S[]
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>S : S
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>T : T
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var e = <K>(x: string, y?: K) => x.length;
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>e : <K>(x: string, y?: K) => number
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><K>(x: string, y?: K) => x.length : <K>(x: string, y?: K) => number
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>K : K
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>x : string
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>y : K
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>K : K
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>x.length : number
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>x : string
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>length : number
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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[]
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>map(e) : (a: {}[]) => number[]
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>map : <S, T>(f: (x: S) => T) => (a: S[]) => T[]
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>e : <K>(x: string, y?: K) => number
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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[]
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>S : S
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>length : number
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>T : T
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>f : (x: S) => T
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>x : S
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>S : S
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>T : T
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>a : S[]
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>S : S
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>T : T
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var e2 = <K>(x: string, y?: K) => x.length;
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>e2 : <K>(x: string, y?: K) => number
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><K>(x: string, y?: K) => x.length : <K>(x: string, y?: K) => number
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>K : K
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>x : string
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>y : K
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>K : K
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>x.length : number
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>x : string
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>length : number
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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[]
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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[]
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>e2 : <K>(x: string, y?: K) => number
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