Generic.dbl: 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 260-265 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=260&end_line=265

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

def dbl(~T: Data, ~op: N.Op<T> -> T, c: Nat, +x: T) -> T:
  match c:
    case 0n:
      x
    case 1n+k:
      dbl(~T, ~op, k, op(N.Add{x, x}))

Uses (2):
  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/num.bend&name=Op