clippy::perf fixes

2021-08-01 21:26:29 +02:00
parent 4e21ef2a4e
commit a953574ddb
3 changed files with 7 additions and 7 deletions
--- a/compiler/rustc_mir/src/transform/coverage/debug.rs
+++ b/compiler/rustc_mir/src/transform/coverage/debug.rs
@@ -369,10 +369,10 @@ impl DebugCounters {
                    }
                    return format!("({})", self.format_counter_kind(counter_kind));
                }
-                return self.format_counter_kind(counter_kind).to_string();
+                return self.format_counter_kind(counter_kind);
            }
        }
-        format!("#{}", operand.index().to_string())
+        format!("#{}", operand.index())
    }
 }