Improve code readability

Author: rhaschke

core/src/container.cpp

@@ -473,7 +473,8 @@ void SerialContainerPrivate::resolveInterface(InterfaceFlags expected) {
 		exceptions.append(e);
 	}
 
-	required_interface_ = first.pimpl()->interfaceFlags() & START_IF_MASK | last.pimpl()->interfaceFlags() & END_IF_MASK;
+	required_interface_ = (first.pimpl()->interfaceFlags() & START_IF_MASK) |  // clang-format off
+	                      (last.pimpl()->interfaceFlags() & END_IF_MASK);  // clang-format off
 
 	if (exceptions)
 		throw exceptions;

core/src/merge.cpp

@@ -91,10 +91,8 @@ moveit::core::JointModelGroup* merge(const std::vector<const moveit::core::Joint
 	if (joints.size() != sum_joints) {  // overlapping joint groups: analyse in more detail
 		auto duplicates = findDuplicates(groups, joints);
 		if (!duplicates.empty()) {
-			std::string message(
-			    "overlapping joints: " +
-			    boost::algorithm::join(duplicates | boost::adaptors::transformed([](auto&& j) { return j->getName(); }),
-			                           ", "));
+			auto getJointName = boost::adaptors::transformed([](auto&& jm) { return jm->getName(); });
+			std::string message("overlapping joints: " + boost::algorithm::join(duplicates | getJointName, ", "));
 			throw std::runtime_error(message);
 		}
 	}