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Add regression test

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This commit is contained in:
Anders Hejlsberg
2018-01-18 17:28:37 -08:00
parent 5bb8d2a590
commit f6c79a631c
1 changed files with 6 additions and 0 deletions
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6
tests/cases/compiler/reverseMappedContravariantInference.ts Normal file
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// @strict: true
// Repro from #21273
declare function conforms<T>(source: { [K in keyof T]: (val: T[K]) => boolean }): (value: T) => boolean;
conforms({ foo: (v: string) => false })({ foo: "hello" });