hasValue

Checks if iterable has a value. 🏃 📼 📦 🌔 📒

Similar: values, hasValue, searchValue.
Similar: hasValue, hasPrefix, hasInfix, hasSuffix, hasSubsequence.

iterable.hasValue(x, v, [fc], [fm]);
// x:  an iterable
// v:  value?
// fc: compare function (a, b)
// fm: map function (v, i, x)

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

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

iterable.hasValue(x, 3, (a, b) => Math.abs(a) - Math.abs(b));
// true

iterable.hasValue(x, 3, null, v => Math.abs(v));
// true