87 lines
1.8 KiB
TypeScript
87 lines
1.8 KiB
TypeScript
//// [functionLiterals.ts]
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// PropName<TypeParamList>(ParamList):ReturnType is equivalent to PropName: { <TypeParamList>(ParamList): ReturnType }
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var b: {
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func1(x: number): number; // Method signature
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func2: (x: number) => number; // Function type literal
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func3: { (x: number): number }; // Object type literal
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}
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// no errors
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b.func1 = b.func2;
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b.func1 = b.func3;
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b.func2 = b.func1;
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b.func2 = b.func3;
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b.func3 = b.func1;
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b.func3 = b.func2;
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var c: {
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func4(x: number): number;
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func4(s: string): string;
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func5: {
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(x: number): number;
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(s: string): string;
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};
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};
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// no errors
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c.func4 = c.func5;
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c.func5 = c.func4;
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// generic versions
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var b2: {
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func1<T>(x: T): number; // Method signature
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func2: <T>(x: T) => number; // Function type literal
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func3: { <T>(x: T): number }; // Object type literal
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}
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// no errors
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b2.func1 = b2.func2;
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b2.func1 = b2.func3;
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b2.func2 = b2.func1;
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b2.func2 = b2.func3;
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b2.func3 = b2.func1;
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b2.func3 = b2.func2;
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var c2: {
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func4<T>(x: T): number;
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func4<T>(s: T): string;
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func5: {
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<T>(x: T): number;
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<T>(s: T): string;
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};
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};
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// no errors
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c2.func4 = c2.func5;
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c2.func5 = c2.func4;
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//// [functionLiterals.js]
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// PropName<TypeParamList>(ParamList):ReturnType is equivalent to PropName: { <TypeParamList>(ParamList): ReturnType }
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var b;
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// no errors
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b.func1 = b.func2;
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b.func1 = b.func3;
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b.func2 = b.func1;
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b.func2 = b.func3;
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b.func3 = b.func1;
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b.func3 = b.func2;
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var c;
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// no errors
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c.func4 = c.func5;
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c.func5 = c.func4;
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// generic versions
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var b2;
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// no errors
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b2.func1 = b2.func2;
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b2.func1 = b2.func3;
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b2.func2 = b2.func1;
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b2.func2 = b2.func3;
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b2.func3 = b2.func1;
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b2.func3 = b2.func2;
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var c2;
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// no errors
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c2.func4 = c2.func5;
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c2.func5 = c2.func4;
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