Being faced with the question whether it\'s possible to choose #includes in the preprocessor I immediately thought not possible.
I\'ve got a struct with some members that I want to be able to get and set from a string.Given that C++ doesn\'t have any introspection I figure I need some creative solution with macros, the stringiz
Is there any way, in C++, to define nested macros/constants within a class, in a similiar fashion to nested typedefs, or a method to acheive similiar functionality? The motive is generally 开发者_运维
For example,in Windows,if I want to make the error message of gethostbyname meaningful,I would need to manually map the error code to message, as follows,
I have a lot of legacy code using macro of the form: #define FXX(x) pField->GetValue(x) The macro forces variable pField be in the scope:
I wonder if typedef开发者_StackOverflow中文版 and #define are the same in c?typedef obeys scoping rules just like variables, whereas define stays valid until the end of the compilation unit (or until
I recently saw some code using macros like #define CONTAINS(Class, Name)\\ private:\\ std::list<Class> m_##Name##s;\\
I added this well documented macro to MyMacros, Environment Events in VS 2008 Macros in order to cancel failed builds:
I infer from Google search results that strings.h (from here) is for UNIX systems. I would like to wrap the following line with a macro check of whether the host\'s operating system i开发者_Python百科
Question\'s Background: void dash(int *n, char c) is to draw characters c separated by \'+\'. Parameter n is an array of ints, e.g. {1, 3, 2} and \'-\' for c should give \"+-+---+--+\", which works fi
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