proc partition*[T](s: openArray[T], pred: proc(x: T): bool {.closure.}): tuple[t: seq[T], f: seq[T]] {.inline.} =
  ## nim doc this_file.nim
  ## fails with an error
  ## However, if you remove these 3 doc comments, the problem disappears.
  runnableExamples:
    let
      temperatures = @[-272.15, -2.0, 24.5, 44.31, 99.9, -113.44]
      partitions = temperatures.partition(proc(x: float): bool = x < 50.0 and x > -10.0)
    assert partitions[0] == @[-2.0, 24.5, 44.31]
    assert partitions.t == partitions[0]
    assert partitions[1] == @[-272.15, 99.9, -113.44]
    assert partitions.f == partitions[1]

  var
    t = newSeq[T]()
    f = newSeq[T]()
  for i in 0 ..< s.len:
    if pred(s[i]):
      t &= s[i]
    else:
      f &= s[i]
  (t: t, f: f)