U.Not | /typical/mod.ts | rimbu@0.12.3

Rimbu is a TypeScript library focused on immutable, performant, and type-safe collections and other tools.

type alias U.Not

import { type U } from "https://deno.land/x/rimbu@0.12.3/typical/mod.ts";
const { Not } = U;

Returns true if the input type is false, and false if the input type is true.

Examples

Example 1

Not<true> => false
Not<false> => true
Not<boolean> => never

V extends boolean

definition: boolean extends V ? never : V extends true ? false : true