Actually just three programming languages in a trenchcoat
at main 21 lines 450 B view raw
1type Helpers { 2 func repeat 0 _ = unit 3 func repeat n x = x : repeat (n - 1) x 4 5 func twice x = repeat 2 x 6 func thrice x = repeat 3 x 7 8 proc printEach!(iterable) { 9 for item in iterable { 10 println!(item) 11 } 12 } 13 14 export twice, thrice, printEach 15} 16 17proc main!() { 18 let numbers = [1, 2, 3, 4, 5] 19 Helpers::printEach!(map Helpers::twice numbers) 20 Helpers::printEach!(map helpers::thrice numbers) 21}