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Module

x/rimbu/mod.ts>HashMap.NonEmpty

Rimbu is a TypeScript library focused on immutable, performant, and type-safe collections and other tools.
rimbu-org/rimbu
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interface HashMap.NonEmpty
implements [RMapBase.NonEmpty]<K, V, HashMap.Types>, Omit<HashMap<K, V>, keyof RMapBase.NonEmpty<any, any, any>>, [Streamable.NonEmpty]<readonly [K, V]>
import { type HashMap } from "https://deno.land/x/rimbu@1.2.1/mod.ts";
const { NonEmpty } = HashMap;

A non-empty type-invariant immutable Map of key type K, and value type V. In the Map, each key has exactly one value, and the Map cannot contain duplicate keys. See the Map documentation and the HashMap API documentation

Examples

Example 1

const m1 = HashMap.empty<number, string>()
const m2 = HashMap.of([1, 'a'], [2, 'b'])

Methods

stream(): Stream.NonEmpty<readonly [K, V]>