67 lines
1.1 KiB
Text
67 lines
1.1 KiB
Text
=== tests/cases/conformance/types/typeRelationships/widenedTypes/strictNullChecksNoWidening.ts ===
|
|
|
|
var a1 = null;
|
|
>a1 : null
|
|
>null : null
|
|
|
|
var a2 = undefined;
|
|
>a2 : undefined
|
|
>undefined : undefined
|
|
|
|
var a3 = void 0;
|
|
>a3 : undefined
|
|
>void 0 : undefined
|
|
>0 : number
|
|
|
|
var b1 = [];
|
|
>b1 : never[]
|
|
>[] : never[]
|
|
|
|
var b2 = [,];
|
|
>b2 : undefined[]
|
|
>[,] : undefined[]
|
|
> : undefined
|
|
|
|
var b3 = [undefined];
|
|
>b3 : undefined[]
|
|
>[undefined] : undefined[]
|
|
>undefined : undefined
|
|
|
|
var b4 = [[], []];
|
|
>b4 : never[][]
|
|
>[[], []] : never[][]
|
|
>[] : never[]
|
|
>[] : never[]
|
|
|
|
var b5 = [[], [,]];
|
|
>b5 : undefined[][]
|
|
>[[], [,]] : undefined[][]
|
|
>[] : never[]
|
|
>[,] : undefined[]
|
|
> : undefined
|
|
|
|
declare function f<T>(x: T): T;
|
|
>f : <T>(x: T) => T
|
|
>T : T
|
|
>x : T
|
|
>T : T
|
|
>T : T
|
|
|
|
var c1 = f(null);
|
|
>c1 : null
|
|
>f(null) : null
|
|
>f : <T>(x: T) => T
|
|
>null : null
|
|
|
|
var c2 = f(undefined);
|
|
>c2 : undefined
|
|
>f(undefined) : undefined
|
|
>f : <T>(x: T) => T
|
|
>undefined : undefined
|
|
|
|
var c3 = f([]);
|
|
>c3 : never[]
|
|
>f([]) : never[]
|
|
>f : <T>(x: T) => T
|
|
>[] : never[]
|
|
|