From d323c81d5cc6a198239285abcede2166181d8f39 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Tue, 2 Oct 2018 18:02:57 +0300
Subject: make ancestors and descendants inherent

---
 crates/ra_editor/src/scope/fn_scope.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'crates/ra_editor/src/scope')

diff --git a/crates/ra_editor/src/scope/fn_scope.rs b/crates/ra_editor/src/scope/fn_scope.rs
index 3ae5276a2..eddd87495 100644
--- a/crates/ra_editor/src/scope/fn_scope.rs
+++ b/crates/ra_editor/src/scope/fn_scope.rs
@@ -6,7 +6,7 @@ use std::{
 use ra_syntax::{
     SyntaxNodeRef, SyntaxNode, SmolStr, AstNode,
     ast::{self, NameOwner, LoopBodyOwner, ArgListOwner},
-    algo::{ancestors, generate, walk::preorder}
+    algo::{generate}
 };
 
 type ScopeId = usize;
@@ -51,7 +51,7 @@ impl FnScopes {
         res
     }
     fn add_bindings(&mut self, scope: ScopeId, pat: ast::Pat) {
-        let entries = preorder(pat.syntax())
+        let entries = pat.syntax().descendants()
             .filter_map(ast::BindPat::cast)
             .filter_map(ScopeEntry::new);
         self.scopes[scope].entries.extend(entries);
@@ -66,7 +66,7 @@ impl FnScopes {
         self.scope_for.insert(node.owned(), scope);
     }
     fn scope_for(&self, node: SyntaxNodeRef) -> Option<ScopeId> {
-        ancestors(node)
+        node.ancestors()
             .filter_map(|it| self.scope_for.get(&it.owned()).map(|&scope| scope))
             .next()
     }
-- 
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