From 816190c6f6838f163acc4bbe6a06c302c99535b2 Mon Sep 17 00:00:00 2001
From: Lukas Wirth <lukastw97@gmail.com>
Date: Thu, 31 Dec 2020 10:13:14 +0100
Subject: Remove some unneeded string allocations

---
 crates/completion/src/completions/attribute.rs | 2 +-
 crates/hir_def/src/nameres.rs                  | 2 +-
 crates/ssr/src/matching.rs                     | 4 +++-
 3 files changed, 5 insertions(+), 3 deletions(-)

(limited to 'crates')

diff --git a/crates/completion/src/completions/attribute.rs b/crates/completion/src/completions/attribute.rs
index 19ce2482f..8695eed39 100644
--- a/crates/completion/src/completions/attribute.rs
+++ b/crates/completion/src/completions/attribute.rs
@@ -234,7 +234,7 @@ fn parse_comma_sep_input(derive_input: ast::TokenTree) -> Result<FxHashSet<Strin
                         current_derive = String::new();
                     }
                 } else {
-                    current_derive.push_str(token.to_string().trim());
+                    current_derive.push_str(token.text().trim());
                 }
             }
 
diff --git a/crates/hir_def/src/nameres.rs b/crates/hir_def/src/nameres.rs
index 9bf358775..5682e122d 100644
--- a/crates/hir_def/src/nameres.rs
+++ b/crates/hir_def/src/nameres.rs
@@ -454,7 +454,7 @@ mod diagnostics {
                                     });
                                 for token in tokens {
                                     if token.kind() == SyntaxKind::IDENT
-                                        && token.to_string() == *name
+                                        && token.text() == name.as_str()
                                     {
                                         precise_location = Some(token.text_range());
                                         break 'outer;
diff --git a/crates/ssr/src/matching.rs b/crates/ssr/src/matching.rs
index 99b187311..6cf831431 100644
--- a/crates/ssr/src/matching.rs
+++ b/crates/ssr/src/matching.rs
@@ -473,7 +473,9 @@ impl<'db, 'sema> Matcher<'db, 'sema> {
                         }
                         SyntaxElement::Node(n) => {
                             if let Some(first_token) = n.first_token() {
-                                if Some(first_token.to_string()) == next_pattern_token {
+                                if Some(first_token.text().as_str())
+                                    == next_pattern_token.as_deref()
+                                {
                                     if let Some(SyntaxElement::Node(p)) = pattern.next() {
                                         // We have a subtree that starts with the next token in our pattern.
                                         self.attempt_match_token_tree(phase, &p, &n)?;
-- 
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