ClangTidy issue in lib/system/Route.hpp #1297
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ThomsonTan
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Aug 30, 2024
| @@ -102,12 +102,12 @@ namespace MAT_NS_BEGIN { | |||
| void operator()(TRealArgs&& ... args) const | |||
| { | |||
| for (IRoutePassThrough<TArgs...>* target : m_passthroughs) { | |||
| if (!(*target)(std::forward<TRealArgs>(args) ...)) { | |||
| if (!(*target)(args ...)) { | |||
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Will args be coped for each call?
ThomsonTan
reviewed
Aug 30, 2024
| RouteSink<RouteTests, int> sink1{this, &RouteTests::handleSink1}; | ||
| RoutePassThrough<RouteTests, int> passThrough1a{this, &RouteTests::handlePassThrough1a}; | ||
| RoutePassThrough<RouteTests, int> passThrough1b{this, &RouteTests::handlePassThrough1b}; | ||
| RouteSink<RouteTests, int, bool&, NonCopyableThing const&, Canary> sink4{this, &RouteTests::handleSink4}; |
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In RouteSource::operator(), r-value's in 'args' are used in a later loop iteration after they were forwarded/moved to a target in the first loop iteration. Proposed fix is to remove usage of std::forward and pass 'args' only as l-value's to targets.