Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

Macro BOOST_SCOPE_DEFER

BOOST_SCOPE_DEFER — The macro creates a uniquely named defer guard.

// In header: <boost/scope/defer.hpp>

BOOST_SCOPE_DEFER

The macro should be followed by a function object that should be called on leaving the current scope. Usage example:

BOOST_SCOPE_DEFER []
{
    std::cout << "Hello world!" << std::endl;
};

	Note
	Using this macro requires C++17.