isEmpty

Check if an iterable is empty.

Similar: size, isEmpty.

function isEmpty(x)
// x: an iterable

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

var x = [["a", 1], ["b", 2], ["c", 3]];
ientries.isEmpty(x);
// → false

var x = [];
ientries.isEmpty(x);
// → true

References

• Data.List.null: Haskell
• List.isEmpty: elm
• Array.length: MDN web docs
• Array.isEmpty: sugarjs