effect-io-ai

Package: effect
Module: Predicate

Predicate.isMap

A refinement that checks if a value is a Map.

Example

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

assert.strictEqual(isMap(new Map()), true)

assert.strictEqual(isMap({}), false)
assert.strictEqual(isMap(new Set()), false)

Signature

declare const isMap: (input: unknown) => input is Map<unknown, unknown>

Source

Since v2.0.0