commit 4382e44c42d2a1edf92a9ef11dbf34843025e64f
author Ryan Mitchell <rtmitchell@google.com> Wed Jul 14 12:53:01 2021 -0700
committer Ryan Mitchell <rtmitchell@google.com> Thu Jul 15 13:42:13 2021 -0700
tree f4b2855b1df909e526a298300ee55f79a65ccc79
parent 3947c9b56c2e79d76b6941fb5bdcdf25e359b0a4

Replace Maybe with std::optional

With c++17, std::optional provides the functionality that Maybe
provided.

Bug: 183215655
Test: aapt2_tests
Change-Id: I62bb9c2fa4985dc5217a6ed153df92b85ad9a034

tools/aapt2/link/TableMerger.cpp

diff --git a/tools/aapt2/link/TableMerger.cpp b/tools/aapt2/link/TableMerger.cpp
index 22f4d18..d094d36 100644
--- a/tools/aapt2/link/TableMerger.cpp
+++ b/tools/aapt2/link/TableMerger.cpp
@@ -303,8 +303,8 @@
           dst_config_value->value = std::move(new_file_ref);
 
         } else {
-          Maybe<std::string> original_comment = (dst_config_value->value)
-              ? dst_config_value->value->GetComment() : Maybe<std::string>();
+          auto original_comment = (dst_config_value->value)
+              ? dst_config_value->value->GetComment() : std::optional<std::string>();
 
           dst_config_value->value = src_config_value->value->Transform(cloner);