head

Gets first value. 🏃 📼 📦 🌔 📒

Similar: head, tail, init, last.

iterable.head(x, [vd]);
// x:  an iterable
// vd: default value

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

iterable.head([1, 2, 3]);
// 1

iterable.head([], -1);
// -1

references

• Data.List.head: Haskell