add minimal comments

2019-04-02 13:02:23 +03:00
parent 0e1e40676a
commit ab19ff16e5
5 changed files with 13 additions and 0 deletions
--- a/crates/ra_syntax/src/ast/traits.rs
+++ b/crates/ra_syntax/src/ast/traits.rs
@@ -1,3 +1,7 @@
+//! Various traits that are implemented by ast nodes.
+//!
+//! The implementations are usually trivial, and live in generated.rs
+
 use itertools::Itertools;

 use crate::{