Int.I64.checked_sub: def of bend-kit-int@0.2.0.0
Import: import bend-kit-int@0.2.0.0/int.bend as Int
Lines 1501-1504 of bend-kit-int@0.2.0.0/int.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-int@0.2.0.0/int.bend&start_line=1501&end_line=1504

import Base

def I64.checked_sub(a: I64, b: I64) -> Maybe<&2, I64>:
  match a b:
    case I64{x} I64{y}:
      I64.some(Int.checked(64n, Int.sub_ov(64n, True{}, x, y)))

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=bend-kit-int@0.2.0.0/int.bend&name=I64
  https://jend.leeeet.dev/definition.txt?path=bend-kit-int@0.2.0.0/int.bend&name=I64.some
  https://jend.leeeet.dev/definition.txt?path=bend-kit-int@0.2.0.0/int.bend&name=Int.checked
  https://jend.leeeet.dev/definition.txt?path=bend-kit-int@0.2.0.0/int.bend&name=Int.sub_ov