In pre-C++11 code, if I'm looking for a member variable whose type I don't know, how can I use SFINAE to check if the member exists?
相关问题
- Sorting 3 numbers without branching [closed]
- How to compile C++ code in GDB?
- Why does const allow implicit conversion of refere
- thread_local variables initialization
- What uses more memory in c++? An 2 ints or 2 funct
相关文章
- Class layout in C++: Why are members sometimes ord
- How to mock methods return object with deleted cop
- Fatal error: Call to a member function getKeyName(
- Which is the best way to multiply a large and spar
- C++ default constructor does not initialize pointe
- Selecting only the first few characters in a strin
- What exactly do pointers store? (C++)
- Converting glm::lookat matrix to quaternion and ba
Here's an example using Member detector idiom that you asked for:
Live test.
It should work with MSVC, too.
Here's a solution that I've checked on newer versions of GCC and Clang, as well as on both newer and older versions of Visual C++:
Example:
Output: