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/compile/InlineXmlFormatParser.cpp

diff --git a/tools/aapt2/compile/InlineXmlFormatParser.cpp b/tools/aapt2/compile/InlineXmlFormatParser.cpp
index 79b0933..de1c3bb 100644
--- a/tools/aapt2/compile/InlineXmlFormatParser.cpp
+++ b/tools/aapt2/compile/InlineXmlFormatParser.cpp
@@ -56,7 +56,7 @@
       return;
     }
 
-    Maybe<Reference> ref = ResourceUtils::ParseXmlAttributeName(attr->value);
+    std::optional<Reference> ref = ResourceUtils::ParseXmlAttributeName(attr->value);
     if (!ref) {
       context_->GetDiagnostics()->Error(DiagMessage(src) << "invalid XML attribute '" << attr->value
                                                          << "'");
@@ -65,7 +65,7 @@
     }
 
     const ResourceName& name = ref.value().name.value();
-    Maybe<xml::ExtractedPackage> maybe_pkg = TransformPackageAlias(name.package);
+    std::optional<xml::ExtractedPackage> maybe_pkg = TransformPackageAlias(name.package);
     if (!maybe_pkg) {
       context_->GetDiagnostics()->Error(DiagMessage(src)
                                         << "invalid namespace prefix '" << name.package << "'");