File: optionalParameterRetainsNull.js

package info (click to toggle)
node-typescript 5.2.2-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 497,488 kB
  • sloc: javascript: 2,107,274; makefile: 6; sh: 1
file content (16 lines) | stat: -rw-r--r-- 480 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
//// [tests/cases/compiler/optionalParameterRetainsNull.ts] ////

//// [optionalParameterRetainsNull.ts]
interface Bar {  bar: number; foo: object | null;  }

let a = {
  test<K extends keyof Bar> (a: K,  b?: Bar[K]  |  null)  { }
};
a.test("bar", null); // ok, null is assignable to number | null | undefined


//// [optionalParameterRetainsNull.js]
var a = {
    test: function (a, b) { }
};
a.test("bar", null); // ok, null is assignable to number | null | undefined