unsafeStuff.nim

import tables, locks, threadpool
 
var hlock: Lock
var chats {.guard: hlock.}: Table[int64, int64]
 
template lock(a: Lock; body: stmt): auto =
  a.acquire
  defer: a.release
  {.locks: [a].}:
    body
 
proc test(c: ptr Table[int64, int64]) {.gcsafe.} =
  lock hlock:
    c[][1] = 2
 
proc main() =
  var chatPtr: ptr Table[int64, int64]
  lock hlock:
    chats = initTable[int64, int64]()
    chatPtr = addr(chats)
  spawn test(chatPtr)
 
main()