TypeScript/tests/cases/compiler/inheritedOverloadedSpecializedSignatures.ts
2014-08-06 13:39:09 -07:00

36 lines
No EOL
545 B
TypeScript

interface A {
(key:string):void;
}
interface B extends A {
(key:'foo'):string;
}
var b:B;
// Should not error
b('foo').charAt(0);
interface A {
(x: 'A1'): string;
(x: string): void;
}
interface B extends A {
(x: 'B1'): number;
}
interface A {
(x: 'A2'): boolean;
}
interface B {
(x: 'B2'): string[];
}
var b: B;
// non of these lines should error
var x1: string[] = b('B2');
var x2: number = b('B1');
var x3: boolean = b('A2');
var x4: string = b('A1');
var x5: void = b('A0');