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/xml/XmlUtil.h

diff --git a/tools/aapt2/xml/XmlUtil.h b/tools/aapt2/xml/XmlUtil.h
index 592a604..1ab05a9 100644
--- a/tools/aapt2/xml/XmlUtil.h
+++ b/tools/aapt2/xml/XmlUtil.h
@@ -20,7 +20,6 @@
 #include <string>
 
 #include "ResourceValues.h"
-#include "util/Maybe.h"
 
 namespace aapt {
 namespace xml {
@@ -53,7 +52,7 @@
 //
 // Special case: if namespaceUri is http://schemas.android.com/apk/res-auto, returns an empty
 // package name.
-Maybe<ExtractedPackage> ExtractPackageFromNamespace(const std::string& namespace_uri);
+std::optional<ExtractedPackage> ExtractPackageFromNamespace(const std::string& namespace_uri);
 
 // Returns an XML Android namespace for the given package of the form:
 //   http://schemas.android.com/apk/res/<package>
@@ -69,7 +68,7 @@
   virtual ~IPackageDeclStack() = default;
 
   // Returns an ExtractedPackage struct if the alias given corresponds with a package declaration.
-  virtual Maybe<ExtractedPackage> TransformPackageAlias(
+  virtual std::optional<ExtractedPackage> TransformPackageAlias(
       const android::StringPiece& alias) const = 0;
 };