Fixed.nonzero: def of emerging-ezjson@1.3.0.0
Import: import emerging-ezjson@1.3.0.0/src/fixed.bend as Fixed
Lines 179-185 of emerging-ezjson@1.3.0.0/src/fixed.bend: https://jend.leeeet.dev/read.txt?path=emerging-ezjson@1.3.0.0/src/fixed.bend&start_line=179&end_line=185

import Base

# whether any digit is not 0
def nonzero(txt: String) -> Bool:
  match txt:
    case SNil{}:
      False{}
    case SCon{hd, +tl}:
      nonzero.at(Char.is_eq(hd, '0'), _u => nonzero(tl))

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Char
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Char.is_eq
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=emerging-ezjson@1.3.0.0/src/fixed.bend&name=nonzero.at