commit ae7f67463dccbf93c500c7e2176fa5843a4be7c3
author Jiakai Zhang <jiakaiz@google.com> Mon Sep 25 15:23:00 2023 +0100
committer Jiakai Zhang <jiakaiz@google.com> Mon Sep 25 15:23:00 2023 +0100
tree d54030421993794da209d2b8fec8d159970c6831
parent d6c0c325ba3d8d29d683450ed398d67b1605aa1a

Avoid string copying on the result message getter.

Test: Presubmit
Change-Id: Ie583b5d59d16b7a5f0512d10a9d1593bf16019e3

include/android-base/result.h

diff --git a/include/android-base/result.h b/include/android-base/result.h
index 3c325f2..be36878 100644
--- a/include/android-base/result.h
+++ b/include/android-base/result.h
@@ -137,7 +137,7 @@
     return android::base::unexpected(ResultError<E>(message_, code_));
   }
 
-  std::string message() const { return message_; }
+  const std::string& message() const { return message_; }
   const E& code() const { return code_; }
 
  private: