Macro BOOST_VMD_IS_EMPTY

Macro BOOST_VMD_IS_EMPTY_ARRAY

BOOST_VMD_IS_EMPTY_ARRAY — Tests whether an array is an empty Boost PP array.

// In header: <boost/vmd/array.hpp>

BOOST_VMD_IS_EMPTY_ARRAY(param)

An empty Boost PP array is a two element tuple where the first size element is 0 and the second tuple element is empty.

param = a preprocessor parameter

returns = 1 if the param is an empty Boost PP array 0 if it is not.