Hex.Digit.is_zero: def of bend-trace-context@0.2.0.0
Import: import bend-trace-context@0.2.0.0/src/hex.bend as Hex
Lines 106-140 of bend-trace-context@0.2.0.0/src/hex.bend: https://jend.leeeet.dev/read.txt?path=bend-trace-context@0.2.0.0/src/hex.bend&start_line=106&end_line=140

import Base

# Whether the digit is 0. An identifier is all zero when every digit is.
def Digit.is_zero(digit: Digit) -> Bool:
  match digit:
    case H0{}:
      True{}
    case H1{}:
      False{}
    case H2{}:
      False{}
    case H3{}:
      False{}
    case H4{}:
      False{}
    case H5{}:
      False{}
    case H6{}:
      False{}
    case H7{}:
      False{}
    case H8{}:
      False{}
    case H9{}:
      False{}
    case Ha{}:
      False{}
    case Hb{}:
      False{}
    case Hc{}:
      False{}
    case Hd{}:
      False{}
    case He{}:
      False{}
    case Hf{}:
      False{}

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=bend-trace-context@0.2.0.0/src/hex.bend&name=Digit