def at.pick
import cswap-bend-cli@0.1.0.0/clock.bend as Clockimport Base
95def at.pick(m: Maybe<&2, Char>, a: Char, b: Char) -> Bool:
96 match m:
97 case None{}:
98 False{}
99 case Some{+c}:
100 Char.is_eq(c, a) || Char.is_eq(c, b)