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Module

x/rimbu/typical/mod.ts>U.Check

Rimbu is a TypeScript library focused on immutable, performant, and type-safe collections and other tools.
rimbu-org/rimbu
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type alias U.Check
import { type U } from "https://deno.land/x/rimbu@1.0.2/typical/mod.ts";
const { Check } = U;

Returns never if the given type is false, otherwise unknown.

Examples

Example 1

Check<IsEven<4>> => unknown
Check<IsEven<5>> => never
definition: V extends false ? never : unknown