20 lines
548 B
TypeScript
20 lines
548 B
TypeScript
/// <reference path="fourslash.ts" />
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//// function f1(a: any): a is number {}
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//// function f2<T>(a: any): a is T {}
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//// function f3(a: any, ...b): a is number {}
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//// f1(/*1*/)
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//// f2(/*2*/)
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//// f3(/*3*/)
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goTo.marker("1");
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verify.signatureHelpCountIs(1);
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verify.currentSignatureHelpIs("f1(a: any): a is number");
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goTo.marker("2");
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verify.signatureHelpCountIs(1);
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verify.currentSignatureHelpIs("f2<T>(a: any): a is T");
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goTo.marker("3");
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verify.signatureHelpCountIs(1);
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verify.currentSignatureHelpIs("f3(a: any, ...b: any[]): a is number"); |