43 lines
1.5 KiB
TypeScript
43 lines
1.5 KiB
TypeScript
//// [genericCallWithFunctionTypedArguments5.ts]
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// Generic call with parameter of object type with member of function type of n args passed object whose associated member is call signature with n+1 args
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function foo<T, U>(arg: { cb: (t: T) => U }) {
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return arg.cb(null);
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}
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var arg = { cb: <T>(x: T) => '' };
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var r = foo(arg); // {}
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// more args not allowed
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var r2 = foo({ cb: <T>(x: T, y: T) => '' }); // error
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var r3 = foo({ cb: (x: string, y: number) => '' }); // error
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function foo2<T, U>(arg: { cb: (t: T, t2: T) => U }) {
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return arg.cb(null, null);
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}
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// fewer args ok
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var r4 = foo(arg); // {}
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var r5 = foo({ cb: <T>(x: T) => '' }); // {}
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var r6 = foo({ cb: (x: string) => '' }); // string
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var r7 = foo({ cb: () => '' }); // string
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//// [genericCallWithFunctionTypedArguments5.js]
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// Generic call with parameter of object type with member of function type of n args passed object whose associated member is call signature with n+1 args
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function foo(arg) {
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return arg.cb(null);
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}
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var arg = { cb: function (x) { return ''; } };
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var r = foo(arg); // {}
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// more args not allowed
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var r2 = foo({ cb: function (x, y) { return ''; } }); // error
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var r3 = foo({ cb: function (x, y) { return ''; } }); // error
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function foo2(arg) {
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return arg.cb(null, null);
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}
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// fewer args ok
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var r4 = foo(arg); // {}
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var r5 = foo({ cb: function (x) { return ''; } }); // {}
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var r6 = foo({ cb: function (x) { return ''; } }); // string
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var r7 = foo({ cb: function () { return ''; } }); // string
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