Merge #1544

1544: Highlight mutable variables differently r=matklad a=viorina

![Screenshot from 2019-07-18 19-04-57](https://user-images.githubusercontent.com/6714973/61473539-3f5d3000-a98f-11e9-99ec-a4115b2ba66b.png)


Co-authored-by: Ekaterina Babshukova <[email protected]>

1 files changed, 1 insertions, 1 deletions

diff --git a/crates/ra_syntax/src/lib.rs b/crates/ra_syntax/src/lib.rs
index 06d3ea727..ff347a567 100644
--- a/crates/ra_syntax/src/lib.rs
+++ b/crates/ra_syntax/src/lib.rs
@@ -38,7 +38,7 @@ use ra_text_edit::AtomTextEdit;
 use crate::syntax_node::GreenNode;
 
 pub use crate::{
-    ast::AstNode,
+    ast::{AstNode, Pat, PatKind},
     parsing::{classify_literal, tokenize, Token},
     ptr::{AstPtr, SyntaxNodePtr},
     syntax_error::{Location, SyntaxError, SyntaxErrorKind},