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## Macro BOOST_VMD_SIZE_D

BOOST_VMD_SIZE_D — Returns the size of a sequence. Re-entrant version.

## Synopsis

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

    BOOST_VMD_SIZE_D(d, sequence)

## Description

d = The next available BOOST_PP_WHILE iteration.
sequence = A sequence to test.

returns = If the sequence is empty returns 0, else returns the number of elements in the sequence.