Add status of regions

2018-10-24 21:24:53 -05:00 · 2018-10-24 21:24:53 -05:00 · c41019adda
parent fbb3ec6744
commit c41019adda
1 changed files with 7 additions and 1 deletions
--- a/src/traits/regions.md
+++ b/src/traits/regions.md
@ -1,3 +1,9 @@
 # Region constraints

-*to be written*
+*To be written.*
+
+Chalk does not have the concept of region constraints, and as of this
+writing, work on rustc was not far enough to worry about them.
+
+In the meantime, you can read about region constraints in the
+[type inference](../type-inference.html#region-constraints) section.