AmlField.fld.mask.pick: def of bend-osdev-acpi@0.1.1.0
Import: import bend-osdev-acpi@0.1.1.0/aml_field.bend as AmlField
Lines 41-46 of bend-osdev-acpi@0.1.1.0/aml_field.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-acpi@0.1.1.0/aml_field.bend&start_line=41&end_line=46

import Base
import bend-osdev-word64@0.1.1.0/word64.bend as W

def fld.mask.pick(all: Bool, +n: Nat) -> W.W64:
  match all:
    case True{}:
      W.W64.max()
    case False{}:
      W.W64.sub(W.W64.shl(W.W64.one(), n), W.W64.one())

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-word64@0.1.1.0/word64.bend&name=W64
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-word64@0.1.1.0/word64.bend&name=W64.max
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-word64@0.1.1.0/word64.bend&name=W64.one
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-word64@0.1.1.0/word64.bend&name=W64.shl
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-word64@0.1.1.0/word64.bend&name=W64.sub