isEmpty

Check if ilists is empty.

Similar: size, isEmpty.

function isEmpty(x)
// x: ilists

const xilists = require('extra-ilists');

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

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

References

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