Generic.bit_length_go: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/src/math/generic.bend as Generic
Lines 348-356 of bend-collections-laws-crypto@1.0.0.0/src/math/generic.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/src/math/generic.bend&start_line=348&end_line=356

import Base
import bend-collections-laws-crypto@1.0.0.0/src/math/num.bend as N

# the number of halvings to reach zero
def bit_length_go(~T: Data, ~op: N.Op<T> -> T, ~test: N.Test<T> -> Bool, fuel: Nat, +k: Nat, st: T & Bool) -> Nat:
  match fuel st:
    case 0n _:
      k
    case 1n+f Tuple{n, True{}}:
      k
    case 1n+f Tuple{+n, False{}}:
      bit_length_go(~T, ~op, ~test, f, 1n+k, zst(~T, ~test, op(N.Half{n})))

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=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/math/generic.bend&name=zst
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/math/num.bend&name=Op
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/math/num.bend&name=Test