AmlName.AmlName.seg: def of bend-osdev-acpi@0.1.1.0
Import: import bend-osdev-acpi@0.1.1.0/aml_name.bend as AmlName
Lines 380-384 of bend-osdev-acpi@0.1.1.0/aml_name.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-acpi@0.1.1.0/aml_name.bend&start_line=380&end_line=384

import Base
import bend-osdev-bytes@0.1.1.0/bytes.bend as B

# a segment from text: its first four characters, padded with '_' as ASL
# does ("_SB" is "_SB_")
def AmlName.seg(s: String) -> B.Octets:
  +o = B.Octets.take(4n, B.Octets.of_string(s))
  B.Octets.append(o, B.Octets.of_string(String.repeat("_", Nat.sub(4n, B.Octets.len(o)))))

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.sub
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.repeat
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets.append
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets.len
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets.of_string
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets.take