# Pastebin 7xbhVafj
import random
type
  I = cshort
  I2 = cshort
  T1 = object
    count: I
    lifetime: I2
  T2 = object
    count: I
    lifetime: I2

var foo: bool
const
  A = 1.cshort
  B = 2.cshort
  C = 3.cshort

proc newCount(wd: T1): T2 =
  result.lifetime = wd.lifetime
  result.count = wd.count

  let
    minCount = if foo: wd.count else: [
      A, wd.count - B
    ].max
    maxCount = [wd.count + B, C].min
    countRange = minCount..maxCount+1
  while result.count == wd.count:
    result.count = countRange.random