Decimal.Decimal.up: def of bend-kit-bignum@0.1.0.0
Import: import bend-kit-bignum@0.1.0.0/decimal.bend as Decimal
Lines 17-23 of bend-kit-bignum@0.1.0.0/decimal.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-bignum@0.1.0.0/decimal.bend&start_line=17&end_line=23

import Base
import bend-kit-bignum@0.1.0.0/bigint.bend as Big

# u * 10^k, without a multiply when k is 0.
def Decimal.up(u: Big.BigInt, k: Nat) -> Big.BigInt:
  match k:
    case 0n:
      u
    case 1n+p:
      Big.BigInt.mul(u, Decimal.pow10(1n+p))

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bignum@0.1.0.0/bigint.bend&name=BigInt
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bignum@0.1.0.0/bigint.bend&name=BigInt.mul
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bignum@0.1.0.0/decimal.bend&name=Decimal.pow10