isOnce

Checks if value is once iterable. 🏃 [:vhs:] 📦 🌔 📒

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