talc/examples/closures.talc

#!/usr/bin/env talc

-- adapted from Crafting Interpreters 10.6

make_counter = \-> do
	var i = 0
	\-> do
		i += 1
		println(i)
	end
end

var counter1 = make_counter()
counter1() -- 1
counter1() -- 2
counter1() -- 3
counter1() -- 4
var counter2 = make_counter()
counter2() -- 1
counter2() -- 2
counter1() -- 5
counter1() -- 6
counter2() -- 3