Is there a way to get function name inside a C++ function?

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C99 has __func__, but for C++ this will be compiler specific. On the plus side, some of the compiler-specific versions provide additional type information, which is particularly nice when you’re tracing inside a templatized function/class.

  • MSVC: __FUNCTION__, __FUNCDNAME__, __FUNCSIG__
  • GCC: __func__, __FUNCTION__, __PRETTY_FUNCTION__

Boost library has defined macro BOOST_CURRENT_FUNCTION for most C++ compilers in header boost/current_function.hpp. If the compiler is too old to support this, the result will be “(unknown)”.

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