87 lines
1.5 KiB
TypeScript
87 lines
1.5 KiB
TypeScript
//// [objectTypesIdentityWithOptionality.ts]
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// object types are identical structurally
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class A {
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foo: string;
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}
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class B {
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foo: string;
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}
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class C<T> {
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foo: T;
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}
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interface I {
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foo?: string;
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}
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var a: { foo?: string; }
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var b = { foo: '' };
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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 foo6(x: A);
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function foo6(x: I); // ok
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function foo6(x: any) { }
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function foo7(x: A);
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function foo7(x: typeof a); // ok
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function foo7(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 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 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 foo13(x: I);
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function foo13(x: typeof a); // error
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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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//// [objectTypesIdentityWithOptionality.js]
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// object types are identical structurally
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var A = (function () {
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function A() {
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}
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return A;
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})();
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var B = (function () {
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function B() {
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}
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return B;
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})();
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var C = (function () {
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function C() {
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}
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return C;
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})();
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var a;
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var b = { foo: '' };
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function foo2(x) { }
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function foo3(x) { }
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function foo6(x) { }
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function foo7(x) { }
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function foo8(x) { }
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function foo10(x) { }
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function foo12(x) { }
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function foo13(x) { }
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function foo14(x) { }
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