effect-io-ai

Package: effect
Module: HashSet

HashSet.has

Checks if the specified value exists in the HashSet.

Time complexity: O(1) average

Example

// Syntax
import { HashSet, pipe } from "effect"

// with `data-last`, a.k.a. `pipeable` API
pipe(HashSet.make(0, 1, 2), HashSet.has(3)) // false

// or piped with the pipe function
HashSet.make(0, 1, 2).pipe(HashSet.has(3)) // false

// or with `data-first` API
HashSet.has(HashSet.make(0, 1, 2), 3) // false

See

• Other HashSet elements are module:HashSet.some module:HashSet.every module:HashSet.isSubset

Signature

declare const has: { <A>(value: A): (self: HashSet<A>) => boolean; <A>(self: HashSet<A>, value: A): boolean; }

Source

Since v2.0.0