isOnce

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Subhajit Sahu edited this page Feb 3, 2021 · 15 revisions

Checks if value is once iterable. 🏃 📼 📦 🌔 📒

Alternatives: is, isList, isIterator, isOnce, isMany.
Similar: isOnce, isMany, many.

iterable.isOnce(v);
// v: a value

const iterable = require("extra-iterable");

var x = [1, 2, 3, 4];
iterable.isOnce(x);
// false

iterable.isOnce(x.values());
// true