PROOF.bd.sub: def of bend-osdev-caps@0.1.0.0
Import: import bend-osdev-caps@0.1.0.0/PROOF.bend as PROOF
Lines 918-926 of bend-osdev-caps@0.1.0.0/PROOF.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-caps@0.1.0.0/PROOF.bend&start_line=918&end_line=926

import Base
import bend-osdev-caps@0.1.0.0/caps.bend as C
import bend-osdev-caps@0.1.0.0/adjust.bend as A

# prctl
def bd.sub(+v: Bool, +sp: Bool, +c: C.CapCred, +x: U32) -> {C.CapSet.subset(C.CapState.bounding(C.CapCred.sets(C.Caps.or(A.CapAdjust.bset_drop.go(v, sp, c, x), c))), C.CapState.bounding(C.CapCred.sets(c))) == True{} : Bool}:
  match v sp c:
    case False{} sp c:
      set.sub_refl(C.CapState.bounding(C.CapCred.sets(c)))
    case True{} False{} c:
      set.sub_refl(C.CapState.bounding(C.CapCred.sets(c)))
    case True{} True{} C.CapCred{r, eu, sv, nr, na, C.CapState{+p, +i, +e, +b, +a}}:
      set.sub_minus(b, C.CapSet.of(x))

Uses (12):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-caps@0.1.0.0/PROOF.bend&name=set.sub_minus
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-caps@0.1.0.0/PROOF.bend&name=set.sub_refl
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-caps@0.1.0.0/adjust.bend&name=CapAdjust.bset_drop.go
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-caps@0.1.0.0/caps.bend&name=CapCred
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-caps@0.1.0.0/caps.bend&name=CapCred.sets
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-caps@0.1.0.0/caps.bend&name=CapSet.of
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-caps@0.1.0.0/caps.bend&name=CapSet.subset
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-caps@0.1.0.0/caps.bend&name=CapState
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-caps@0.1.0.0/caps.bend&name=CapState.bounding
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-caps@0.1.0.0/caps.bend&name=Caps.or