def num.frac
import emerging-eztoml@0.9.0.0/main.bend as EmergingEztomlimport Base
1571# a fraction digit, an underscore, or an exponent
1572def num.frac(st: Num, +cc: Char) -> Num:
1573 num.frac.go(Char.is_digit(cc), Char.is_eq(cc, '_'), Char.is_eq(cc, 'e'),
1574 Char.is_eq(cc, 'E'), st, cc)