swc/crates/swc_ecma_parser/tests/tsc/subtypingWithCallSignatures.ts

11 lines
528 B
TypeScript

module CallSignature {
declare function foo1(cb: (x: number) => void): typeof cb;
declare function foo1(cb: any): any;
var r = foo1((x: number) => 1); // ok because base returns void
var r2 = foo1(<T>(x: T) => ''); // ok because base returns void
declare function foo2(cb: (x: number, y: number) => void): typeof cb;
declare function foo2(cb: any): any;
var r3 = foo2((x: number, y: number) => 1); // ok because base returns void
var r4 = foo2(<T>(x: T) => ''); // ok because base returns void
}