ref: 97df0d05c25daa84262b45385694eaebcf1eb59e dir: /test/gtrait.myr/
use std trait comparable @a = cmp : (a : @a, b : @a -> std.order) ;; impl comparable @a::numeric = cmp = {a, b -> std.numcmp(a, b) } ;; const main = { std.put("{}", cmp(1, 2)) }