Require C++17, port from deprecated qAsConst to std::as_const

Author: dfaure-kdab

CMakeLists.txt

@@ -22,7 +22,7 @@ set(CMAKE_INCLUDE_CURRENT_DIR ON)
 
 option(BUILD_SHARED_LIBS "Build in shared lib mode" ON)
 
-set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
 

src/server.cpp

@@ -555,7 +555,7 @@ void ServerPrivate::processNextMail()
                 << "Sending MAIL command" << capPipelining << cont.commands.size() << cont.commands
                 << cont.awaitedCodes;
             if (capPipelining) {
-                for (const QByteArray &cmd : qAsConst(cont.commands)) {
+                for (const QByteArray &cmd : std::as_const(cont.commands)) {
                     socket->write(cmd);
                 }
             } else {