Ylex.ns.lead: def of cswap-bend-cli@0.1.0.0
Import: import cswap-bend-cli@0.1.0.0/fmt/ylex.bend as Ylex
Lines 37-38 of cswap-bend-cli@0.1.0.0/fmt/ylex.bend: https://jend.leeeet.dev/read.txt?path=cswap-bend-cli@0.1.0.0/fmt/ylex.bend&start_line=37&end_line=38

import Base

def ns.lead(+c: U32) -> NS:
  Bool.pick(NS, U32.is_eq(c, 48), NZero{}, Bool.pick(NS, between(c, 49, 57), NInt{}, NBad{}))

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_eq
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/fmt/ylex.bend&name=NS
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/fmt/ylex.bend&name=between