Macro BOOST_VMD_IS

Macro BOOST_VMD_IS_TUPLE

BOOST_VMD_IS_TUPLE — Tests whether a parameter is a Boost PP tuple.

Synopsis

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

BOOST_VMD_IS_TUPLE(param)

Description

The macro checks to see if a parameter is a Boost PP tuple. A Boost PP tuple is a parameter enclosed by a set of parenthesis with no prerocessing tokens before or after the parenthesis.

param = a preprocessor parameter

returns = 1 if the param is a Boost PP tuple. 0 if it is not.