find = |list function| => {
	for i in list {
		if (function i) {
			return i
		}
	}
}

map = |list function| => {
	new_list = []
	
	for i in list {
		new_list += (function i)
	}

	new_list
}

[0 1 2] -> (map |i| => { i - 1})
		-> (find |i| => { i == 1 })