Suggest a threadpool in future possibilites

Stjepan Glavina · Stjepan Glavina · commit d53412a6e97e · 2019-02-27T21:33:07.000+01:00
diff --git a/text/0000-scoped-threads.md b/text/0000-scoped-threads.md
@@ -291,4 +291,5 @@ None.
 # Future possibilities
 [future-possibilities]: #future-possibilities
 
-None.
+In the future, we could also have a threadpool like Rayon that can spawn
+scoped tasks.
