From 3eea41a68ca2de28dca35b6e713cbb36aa09f0c8 Mon Sep 17 00:00:00 2001
From: David Lattimore <dml@google.com>
Date: Thu, 6 Aug 2020 07:36:03 +1000
Subject: Use SyntaxNode.ancestors instead of a loop

---
 crates/ra_ssr/src/resolving.rs | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/crates/ra_ssr/src/resolving.rs b/crates/ra_ssr/src/resolving.rs
index 0ac929bd5..df60048eb 100644
--- a/crates/ra_ssr/src/resolving.rs
+++ b/crates/ra_ssr/src/resolving.rs
@@ -176,13 +176,7 @@ impl<'db> ResolutionScope<'db> {
 
     /// Returns the function in which SSR was invoked, if any.
     pub(crate) fn current_function(&self) -> Option<SyntaxNode> {
-        let mut node = self.node.clone();
-        loop {
-            if node.kind() == SyntaxKind::FN {
-                return Some(node);
-            }
-            node = node.parent()?;
-        }
+        self.node.ancestors().find(|node| node.kind() == SyntaxKind::FN).map(|node| node.clone())
     }
 
     fn resolve_path(&self, path: &ast::Path) -> Option<hir::PathResolution> {
-- 
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