16450a027a
* Change the default type parameter constraint and default to unknown from {}
* Relax unknown checking outside of strictNullChecks a bit
* Increase strictness on index signatures with type `unknown` so inference doesnt change surprisingly
* Remove redundant switch
43 lines
1.4 KiB
TypeScript
43 lines
1.4 KiB
TypeScript
/// <reference path='fourslash.ts'/>
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////class A<T> { }
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////class B<T> {/*B*/ }
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////class C<T> { /*C*/constructor(val: T) { } }
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////class D<T> { constructor(/*D*/val: T) { } }
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////
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////new /*Asig*/A<string>();
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////new /*Bsig*/B("");
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////new /*Csig*/C("");
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////new /*Dsig*/D<string>();
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var A = 'A';
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var B = 'B';
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var C = 'C';
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var D = 'D'
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goTo.marker(B);
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edit.insert('constructor(val: T) { }');
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verify.quickInfos({
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Asig: "constructor A<string>(): A<string>",
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Bsig: "constructor B<string>(val: string): B<string>",
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Csig: "constructor C<string>(val: string): C<string>",
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Dsig: "constructor D<string>(val: string): D<string>" // Cannot resolve signature. Still fill in generics based on explicit type arguments.
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});
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goTo.marker(C);
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edit.deleteAtCaret('constructor(val: T) { }'.length);
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verify.quickInfos({
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Asig: "constructor A<string>(): A<string>",
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Bsig: "constructor B<string>(val: string): B<string>",
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Csig: "constructor C<unknown>(): C<unknown>", // Cannot resolve signature
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Dsig: "constructor D<string>(val: string): D<string>" // Cannot resolve signature
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});
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goTo.marker(D);
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edit.deleteAtCaret("val: T".length);
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verify.quickInfos({
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Asig: "constructor A<string>(): A<string>",
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Bsig: "constructor B<string>(val: string): B<string>",
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Csig: "constructor C<unknown>(): C<unknown>", // Cannot resolve signature
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Dsig: "constructor D<string>(): D<string>"
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});
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