add forum link

diff --git a/ralf/_posts/2017-07-17-types-as-contracts.md b/ralf/_posts/2017-07-17-types-as-contracts.md
index 22a1fc2c153cc4025e240ec44c94bf7db492b344..8ad613f92862eb03cc27c21764e1adfa53734bb3 100644 (file)
--- a/ralf/_posts/2017-07-17-types-as-contracts.md
+++ b/ralf/_posts/2017-07-17-types-as-contracts.md
@@ -1,6 +1,7 @@
 ---
 title: "Types as Contracts"
 categories: internship rust
+forum: https://internals.rust-lang.org/t/types-as-contracts/5562
 ---
 
 Over the last couple of weeks of my [internship]({{ site.baseurl }}{% post_url