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The header <boost/current_function.hpp> defines a single macro, BOOST_CURRENT_FUNCTION, similar to the C99 predefined identifier __func__.

BOOST_CURRENT_FUNCTION expands to a string literal containing the (fully qualified, if possible) name of the enclosing function. If there is no enclosing function, the behavior is undefined.

Some compilers do not provide a way to obtain the name of the current enclosing function. On such compilers, the string literal has an unspecified value.

Copyright 2002 by Peter Dimov. Permission to copy, use, modify, sell and distribute this document is granted provided this copyright notice appears in all copies. This document is provided "as is" without express or implied warranty, and with no claim as to its suitability for any purpose.