Route.mask_u32: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/storage/route.bend as Route
Lines 334-341 of bendtorch-core@0.1.0.0/src/storage/route.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/storage/route.bend&start_line=334&end_line=341

import Base
import bendtorch-core@0.1.0.0/src/storage/model.bend as Model
import bendtorch-core@0.1.0.0/src/storage/size.bend as Size
import bendtorch-core@0.1.0.0/src/storage/arith.bend as Arith

def mask_u32(+d: Nat, +i: U32, +h: {Nat.is_le(d, 20n) == True{} : Bool},
  +inside: {Nat.is_lt(U32.to_nat(i), Model.capacity(d)) == True{} : Bool}) ->
  {i == U32.and(i, U32.sub(Size.capacity(d), 1)) : U32}:
  match i:
    case U32{+x}:
      %mask_cap(d, h) : {U32{x} == U32.and(U32{x}, _) : U32}
      %Arith.mask_word(32n, d, x, inside) : {U32{x} == U32{_} : U32}
      {==}

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=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_le
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_lt
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.sub
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.to_nat
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/storage/arith.bend&name=mask_word
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/storage/model.bend&name=capacity
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/storage/route.bend&name=mask_cap
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/storage/size.bend&name=capacity