microsoft/TypeScript
1
0
Fork 0
mirror of https://github.com/microsoft/TypeScript.git synced 2026-05-16 15:45:27 -05:00
Code Issues Packages Projects Releases 212 Wiki Activity

Addressing CR feedback

Browse Source
This commit is contained in:
Anders Hejlsberg
2014-11-03 13:50:41 -08:00
parent edb6543354
commit b3ef9622a7
2 changed files with 22 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
tests/cases/conformance/types/typeRelationships/typeInference/unionTypeInference.ts
View File

@@ -4,17 +4,28 @@
function f<T>(x: T, y: string|T): T {
return x;
}
var a1: number;
var a1 = f(1, 2);
var a2: number;
var a2 = f(1, "hello");
var a3: number;
var a3 = f(1, a1 || "hello");
var a4: any;
var a4 = f(undefined, "abc");
function g<T>(value: [string, T]): T {
return value[1];
}
var a: number;
var a = f(1, 2);
var b: number;
var b = f(1, "hello");
var c: number;
var c = f(1, a || "hello");
var d: any;
var d = f(undefined, "abc");
var e: boolean;
var e = g(["string", true]);
var b1: boolean;
var b1 = g(["string", true]);
function h<T>(x: string|boolean|T): T {
return typeof x === "string" || typeof x === "boolean" ? undefined : x;
}
var c1: number;
var c1 = h(5);
var c2: string;
var c2 = h("abc");