From 6d253b58da955cee73b0715b91d728df5009937d Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Wed, 7 Nov 2018 21:38:41 +0300
Subject: Complete paths in use trees

---
 crates/ra_syntax/src/ast/mod.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'crates/ra_syntax')

diff --git a/crates/ra_syntax/src/ast/mod.rs b/crates/ra_syntax/src/ast/mod.rs
index d93f92672..6b0d62610 100644
--- a/crates/ra_syntax/src/ast/mod.rs
+++ b/crates/ra_syntax/src/ast/mod.rs
@@ -296,6 +296,15 @@ impl<'a> PathSegment<'a> {
     }
 }
 
+impl<'a> UseTreeList<'a> {
+    pub fn parent_use_tree(self) -> UseTree<'a> {
+        self.syntax()
+            .parent()
+            .and_then(UseTree::cast)
+            .expect("UseTreeLists are always nested in UseTrees")
+    }
+}
+
 fn child_opt<'a, P: AstNode<'a>, C: AstNode<'a>>(parent: P) -> Option<C> {
     children(parent).next()
 }
-- 
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