76 lines
No EOL
1.7 KiB
TypeScript
76 lines
No EOL
1.7 KiB
TypeScript
// object types are identical structurally
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class B {
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constructor(x: string, y: string) { return null; }
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}
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class C<T> {
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constructor(x: T, y: T) { return null; }
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}
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interface I {
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new(x: string): string;
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}
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interface I2<T> {
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new(x: T): T;
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}
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var a: { new(x: string, y: string): string }
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var b = { new(x: string) { return ''; } }; // not a construct signature, function called new
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function foo1b(x: B);
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function foo1b(x: B); // error
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function foo1b(x: any) { }
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function foo1c(x: C<string>);
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function foo1c(x: C<string>); // error
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function foo1c(x: any) { }
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function foo2(x: I);
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function foo2(x: I); // error
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function foo2(x: any) { }
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function foo3(x: typeof a);
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function foo3(x: typeof a); // error
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function foo3(x: any) { }
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function foo4(x: typeof b);
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function foo4(x: typeof b); // error
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function foo4(x: any) { }
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function foo8(x: B);
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function foo8(x: I); // ok
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function foo8(x: any) { }
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function foo9(x: B);
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function foo9(x: C<string>); // error, types are structurally equal
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function foo9(x: any) { }
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function foo10(x: B);
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function foo10(x: typeof a); // ok
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function foo10(x: any) { }
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function foo11(x: B);
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function foo11(x: typeof b); // ok
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function foo11(x: any) { }
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function foo12(x: I);
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function foo12(x: C<string>); // ok
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function foo12(x: any) { }
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function foo12b(x: I2<string>);
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function foo12b(x: C<string>); // ok
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function foo12b(x: any) { }
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function foo13(x: I);
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function foo13(x: typeof a); // ok
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function foo13(x: any) { }
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function foo14(x: I);
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function foo14(x: typeof b); // ok
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function foo14(x: any) { }
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function foo15(x: I2<string>);
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function foo15(x: C<number>); // ok
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function foo15(x: any) { } |