TypeScript/tests/baselines/reference/typeGuardOfFormFunctionEquality.js
2016-02-12 17:39:46 -08:00

27 lines
596 B
TypeScript

//// [typeGuardOfFormFunctionEquality.ts]
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);
}
//// [typeGuardOfFormFunctionEquality.js]
switch (isString1(0, "")) {
case isString2(""):
default:
}
var x = isString1(0, "") === isString2("");
function isString3(a, b, c) {
return isString1(0, c);
}