Deprecate the thread module.

CHANGELOG.md

@@ -2,6 +2,10 @@
 All notable changes to this project will be documented in this file.
 
 ## 1.17.0 - Unreleased
+- Deprecate the `thread` library. Use threaded channels and ev instead.
+- Channels can now be marshalled.
+- Add the ability to close channels with `ev/chan-close` (or `:close`).
+- Add threaded channels with `ev/thread-chan`.
 - Add `JANET_FN` and `JANET_REG` macros to more easily define C functions that export their source mapping information.
 - Add `janet_interpreter_interupt` and `janet_loop1_interrupt` to interrupt the interpreter while running.
 - Add `table/clear`

src/boot/boot.janet

@@ -3651,6 +3651,12 @@
         (put into k (x k))))
     into)
 
+  # Deprecate thread library
+  (loop [[k v] :in (pairs root-env)
+         :when (symbol? k)
+         :when (string/has-prefix? "thread/" k)]
+    (put v :deprecated true))
+
   # Modify root-env to remove private symbols and
   # flatten nested tables.
   (loop [[k v] :in (pairs root-env)