TypeScript/tests/cases/conformance/expressions/typeGuards/typeGuardOfFormFunctionEquality.ts
Wesley Wigham 22979db64c Add test
2016-02-12 15:08:07 -08:00

14 lines
341 B
TypeScript

declare function isString1(a: number, b: Object): b is string;
declare function isString2(a: Object): a is string;
switch (isString1(0, "")) {
case isString2(""):
default:
}
var x = isString1(0, "") === isString2("");
function isString3(a: number, b: number, c: Object): c is string {
return isString1(0, c);
}