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tests/cases/compiler/specializedSignatureAsCallbackParameter1.ts(7,1): error TS2769: No overload matches this call.
Overload 1 of 2, '(a: number, cb: (x: number) => number): any', gave the following error.
Argument of type '(x: string) => number' is not assignable to parameter of type '(x: number) => number'.
Types of parameters 'x' and 'x' are incompatible.
Type 'number' is not assignable to type 'string'.
Overload 2 of 2, '(a: string, cb: (x: number) => number): any', gave the following error.
Argument of type 'number' is not assignable to parameter of type 'string'.
tests/cases/compiler/specializedSignatureAsCallbackParameter1.ts(8,1): error TS2769: No overload matches this call.
Overload 1 of 2, '(a: number, cb: (x: number) => number): any', gave the following error.
Argument of type '(x: 'hm') => number' is not assignable to parameter of type '(x: number) => number'.
Types of parameters 'x' and 'x' are incompatible.
Type 'number' is not assignable to type '"hm"'.
Overload 2 of 2, '(a: string, cb: (x: number) => number): any', gave the following error.
Argument of type 'number' is not assignable to parameter of type 'string'.
==== tests/cases/compiler/specializedSignatureAsCallbackParameter1.ts (2 errors) ====
function x3(a: number, cb: (x: number) => number);
function x3(a: string, cb: (x: number) => number);
function x3(a: any, cb: (x: number) => number) {
cb(a);
}
// both are errors
x3(1, (x: string) => 1);
~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2769: No overload matches this call.
!!! error TS2769: Overload 1 of 2, '(a: number, cb: (x: number) => number): any', gave the following error.
!!! error TS2769: Argument of type '(x: string) => number' is not assignable to parameter of type '(x: number) => number'.
!!! error TS2769: Types of parameters 'x' and 'x' are incompatible.
!!! error TS2769: Type 'number' is not assignable to type 'string'.
!!! error TS2769: Overload 2 of 2, '(a: string, cb: (x: number) => number): any', gave the following error.
!!! error TS2769: Argument of type 'number' is not assignable to parameter of type 'string'.
x3(1, (x: 'hm') => 1);
~~~~~~~~~~~~~~~~~~~~~
!!! error TS2769: No overload matches this call.
!!! error TS2769: Overload 1 of 2, '(a: number, cb: (x: number) => number): any', gave the following error.
!!! error TS2769: Argument of type '(x: 'hm') => number' is not assignable to parameter of type '(x: number) => number'.
!!! error TS2769: Types of parameters 'x' and 'x' are incompatible.
!!! error TS2769: Type 'number' is not assignable to type '"hm"'.
!!! error TS2769: Overload 2 of 2, '(a: string, cb: (x: number) => number): any', gave the following error.
!!! error TS2769: Argument of type 'number' is not assignable to parameter of type 'string'.
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