U.NotExtends | /typical/mod.ts | rimbu@1.0.2

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

type alias U.NotExtends

import { type U } from "https://deno.land/x/rimbu@1.0.2/typical/mod.ts";
const { NotExtends } = U;

If A does not extend B, returns Then (default true) or else Else (default false)

Examples

Example 1

NotExtends<1, number> => false
NotExtends<1, string> => true
NotExtends<1, number, 'a', 'b'> => 'b'
NotExtends<1, string, 'a', 'b'> => 'a'

optional

Then = true

optional

Else = false

definition: A extends B ? Else : Then