@nick/is/set-iterator

isSetIterator

Signature

function isSetIterator<T>(it: unknown): it is SetIterator<T>;

Check if the given value is a set iterator, which is an iterable iterator that yields key-value pairs from a Set object. This is the type of object returned by the Set.prototype.entries and Set.prototype[Symbol.iterator] methods.

Parameters

Name	Info
it	The value to check.

Returns

true if the value is a set iterator, false otherwise.

Category

Iterables

Examples

import { isSetIterator } from "jsr:@nick/is/set-iterator";

const set = new Set(["foo", "bar", "foo"]);
const iter = set[Symbol.iterator]();
console.log(isSetIterator(iterator)); // true
console.log(isSetIterator(set)); // false

SetIterator

Represents a set iterator.

Type Parameters

• T (default: unknown)

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Extends IterableIterator<T>

Properties

[Symbol.toStringTag]

readonly [Symbol.toStringTag]:  "Set Iterator" | "Set Entries";

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