bluenote10

type
  Test = object
    field: seq[int] not nil

var t: Test
echo t.field.isNil() # true

bluenote10

import os, threadpool

proc spawnBackgroundJob[T](f: iterator (): int): TChannel[T] =

  type Args = tuple[iter: iterator (): T, channel: ptr TChannel[T]]
  #type Args = tuple
  #  iter: iterator (): T
  #  channel: ptr TChannel[T]

  proc threadFunc(args: Args) {.thread.} =