Gfm.Gfm.mask: def of bend-osdev-gf@0.1.1.0
Import: import bend-osdev-gf@0.1.1.0/gfm.bend as Gfm
Lines 35-39 of bend-osdev-gf@0.1.1.0/gfm.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-gf@0.1.1.0/gfm.bend&start_line=35&end_line=39

import Base

# 2^m - 1, and the number of nonzero elements
def Gfm.mask(f: GfmField) -> U32:
  match f:
    case GfmField{m, poly}:
      U32.sub(U32.shln(1, m), 1)

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.shln
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.sub
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-gf@0.1.1.0/gfm.bend&name=GfmField