. package:copilot-language

Right to left function composition.
(f . g) x = f (g x)
f . id = f = id . f

Examples

>>> map ((*2) . length) [[], [0, 1, 2], [0]]
[0,6,2]
>>> foldr (.) id [(+1), (*3), (^3)] 2
25
>>> let (...) = (.).(.) in ((*2)...(+)) 5 10
30
Bitwise "and"
Shifting values of a stream to the left.
Shifting values of a stream to the right.
Infix version of xor.
Bitwise "or"