effect-io-ai

Package: effect
Module: Predicate

Predicate.isNever

A refinement that always returns false. The type is narrowed to never.

Example

import * as assert from "node:assert"
import { isNever } from "effect/Predicate"

assert.strictEqual(isNever(1), false)
assert.strictEqual(isNever(null), false)
assert.strictEqual(isNever({}), false)

Signature

declare const isNever: (input: unknown) => input is never

Source

Since v2.0.0