Can you use decltype in a template parameter?
c++,templates,c++11,decltype,trailing-return-type
Visual Studio 2012 Don't mind the sloppy code. It was a quick fix for code that didn't compile properly to begin with (nevermind the auto decltype problem). template<typename T> class Widget { public: T x; public: Widget() : x(666) {} ~Widget() {} void SetX(T value) { x = value; }...
How to use auto return and decltype when class members involved with c++11?
c++,c++11,auto,decltype,trailing-return-type
In C++, you can't use a name that hasn't been introduced (declared) in a declaration, including in a decltype for a trailing return type. So you must reorder your declarations : struct A { int m_count; auto count() -> decltype(m_count) { return m_count; } }; ...
c++11 typedef function pointer with trailing return type
c++11,function-pointers,typedef,trailing-return-type
The trailing return type syntax is new in C++11, and it is valid wherever you can write a function type. auto <function>(<parameters>) -> <result> is simply a fancy way of writing <result> <function>(<parameters>) (with the benefit that <result> can refer to <parameters>). This means typedef auto Kernel (int, int) ->...
Difference or benefit of auto myFunc() -> int and int myFunc() [duplicate]
c++,c++11,c++14,trailing-return-type
Argument for : coherence. This way you don't have the freak function needing a trailing return type standing out. Argument against : wow that's ugly.[pers. opinion] Semantic difference : none....