# Pastebin tLYE35ZQ
> capt = require('capture')
>
> capt.cfun 'gcd' {{'number'}, {'number', 0}} function(x, y) return x end
> capt.cfun 'gcd' {{'number'}, {'number'}}    function(x, y) return gcd(x % y) end
>
> print( gcd(24, 1024) )
8