all

Checks if all elements of a sequence match a condition.

JavaScript

// (true)
Enumerable.create(1, 2, 3, 4)
          .all('x => typeof x !== "string"');

// (false)
Enumerable.create(11, 22, '33', 44)
          .all('x => typeof x !== "string"');

// (true), because it is empty
Enumerable.create()
          .all(x => false);