The BOOST_PP_ARRAY_SIZE macro expands to the size of the array passed to it.

Usage

BOOST_PP_ARRAY_SIZE(array)

Arguments

array
An array whose size is to be extracted.

Requirements

Header:  <boost/preprocessor/array/size.hpp>

Sample Code

#include <boost/preprocessor/array/size.hpp>

#define ARRAY (3, (x, y, z))

BOOST_PP_ARRAY_SIZE(ARRAY) // expands to 3