Generic.tw: def of bend-collections-laws-math@1.0.0.0
Import: import bend-collections-laws-math@1.0.0.0/src/math/generic.bend as Generic
Lines 270-277 of bend-collections-laws-math@1.0.0.0/src/math/generic.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-math@1.0.0.0/src/math/generic.bend&start_line=270&end_line=277

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

def tw(~T: Data, ~op: N.Op<T> -> T, ~test: N.Test<T> -> Bool, fl: Nat, +a: T, +b: T, +c: Nat, both: Bool) -> T:
  match fl both:
    case 0n _:
      dbl(~T, ~op, c, bl_start(~T, ~op, ~test, strip(~T, ~op, ~test, a), b))
    case 1n+f False{}:
      dbl(~T, ~op, c, bl_start(~T, ~op, ~test, strip(~T, ~op, ~test, a), b))
    case 1n+f True{}:
      tw(~T, ~op, ~test, f, op(N.Half{a}), op(N.Half{b}), 1n+c, ev2(~T, ~test, op(N.Half{a}), op(N.Half{b})))

Uses (8):
  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=bend-collections-laws-math@1.0.0.0/src/math/generic.bend&name=bl_start
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/generic.bend&name=dbl
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/generic.bend&name=ev2
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/generic.bend&name=strip
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/num.bend&name=Op
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/num.bend&name=Test