TypeScript/tests/baselines/reference/functionOverloads43.js
2015-12-08 15:19:58 -08:00

25 lines
500 B
TypeScript

//// [functionOverloads43.ts]
function foo(bar: { a:number }[]): number;
function foo(bar: { a:string }[]): string;
function foo([x]: { a:number | string }[]): string | number {
if (x) {
return x.a;
}
return undefined;
}
var x = foo([{a: "str"}]);
var y = foo([{a: 100}]);
//// [functionOverloads43.js]
function foo(_a) {
var x = _a[0];
if (x) {
return x.a;
}
return undefined;
}
var x = foo([{ a: "str" }]);
var y = foo([{ a: 100 }]);