From 8467ba8cdb565d865e14e2115cde98cd7692719d Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Fri, 19 Jul 2019 20:29:59 +0300
Subject: flip syntax text to use internal iteration

---
 crates/ra_hir/src/ids.rs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'crates/ra_hir')

diff --git a/crates/ra_hir/src/ids.rs b/crates/ra_hir/src/ids.rs
index 05a18eb56..ec756f2c3 100644
--- a/crates/ra_hir/src/ids.rs
+++ b/crates/ra_hir/src/ids.rs
@@ -362,7 +362,16 @@ impl MacroCallId {
     pub fn debug_dump(self, db: &impl AstDatabase) -> String {
         let loc = self.loc(db);
         let node = loc.ast_id.to_node(db);
-        let syntax_str = node.syntax().text().chunks().collect::<Vec<_>>().join(" ");
+        let syntax_str = {
+            let mut res = String::new();
+            node.syntax().text().for_each_chunk(|chunk| {
+                if !res.is_empty() {
+                    res.push(' ')
+                }
+                res.push_str(chunk)
+            });
+            res
+        };
 
         // dump the file name
         let file_id: HirFileId = self.loc(db).ast_id.file_id();
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