Also, from the functional programming side, Church Booleans: function true(x, y) { return x; } function false(x, y) { return y; } There's an example

Also, from the functional programming side, Church Booleans: function true(x, y) { return x; } function false(x, y) { return y; } There's an example of Church encoding used in anger at http://www.haskellforall.com/2016/04/data-is-code.html http://www.haskellforall.com/2016/04/data-is-code.html