def grow
import emerging-ezhttp@0.21.0.0/src/unescape.bend as Unescapeimport Base
51# a number with one more digit, held at cap() once past it
52def grow(hex: Bool, +n: U32, +d: U32) -> U32:
53 U32.min(U32.add(U32.mul(n, Bool.pick(U32, hex, 16, 10)), d), cap())