put std/threads under the umbrella of nimPreviewSlimSystem (#20711)

* put `std/threads` under the umbrella of `nimPreviewSlimSystem` * add changelog * fixes tests * fixes tests again * fixes tests
2022-10-31 13:36:50 +08:00 · 2022-10-31 13:36:50 +08:00 · e1ddd2d524
commit e1ddd2d524
parent fb2ec8d192
13 changed files with 33 additions and 19 deletions
--- a/changelog.md
+++ b/changelog.md
@ -15,6 +15,7 @@
  - `std/formatfloat`
  - `std/objectdollar`
  - `std/widestrs`
+  - `std/threads`

  In the future, these definitions will be removed from the `system` module,
  and their respective modules will have to be imported to use them.