32 lines
1.9 KiB
TypeScript
32 lines
1.9 KiB
TypeScript
//// [typeArgumentInferenceErrors.ts]
|
|
// Generic call with multiple type parameters and only one used in parameter type annotation
|
|
function someGenerics1<T, U>(n: T, m: number) { }
|
|
someGenerics1<string, number>(3, 4); // Error
|
|
|
|
// 2 parameter generic call with argument 1 of type parameter type and argument 2 of function type whose parameter is of type parameter type
|
|
function someGenerics4<T, U>(n: T, f: (x: U) => void) { }
|
|
someGenerics4<string, number>('', (x: string) => ''); // Error
|
|
|
|
// 2 parameter generic call with argument 2 of type parameter type and argument 1 of function type whose parameter is of type parameter type
|
|
function someGenerics5<U, T>(n: T, f: (x: U) => void) { }
|
|
someGenerics5<number, string>('', (x: string) => ''); // Error
|
|
|
|
// Generic call with multiple arguments of function types that each have parameters of the same generic type
|
|
function someGenerics6<A>(a: (a: A) => A, b: (b: A) => A, c: (c: A) => A) { }
|
|
someGenerics6<number>((n: number) => n, (n: string) => n, (n: number) => n); // Error
|
|
|
|
|
|
//// [typeArgumentInferenceErrors.js]
|
|
// Generic call with multiple type parameters and only one used in parameter type annotation
|
|
function someGenerics1(n, m) { }
|
|
someGenerics1(3, 4); // Error
|
|
// 2 parameter generic call with argument 1 of type parameter type and argument 2 of function type whose parameter is of type parameter type
|
|
function someGenerics4(n, f) { }
|
|
someGenerics4('', function (x) { return ''; }); // Error
|
|
// 2 parameter generic call with argument 2 of type parameter type and argument 1 of function type whose parameter is of type parameter type
|
|
function someGenerics5(n, f) { }
|
|
someGenerics5('', function (x) { return ''; }); // Error
|
|
// Generic call with multiple arguments of function types that each have parameters of the same generic type
|
|
function someGenerics6(a, b, c) { }
|
|
someGenerics6(function (n) { return n; }, function (n) { return n; }, function (n) { return n; }); // Error
|