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

This is the documentation for a snapshot of the develop branch, built from commit d4128b739e.
PrevUpHomeNext

Macro BOOST_VMD_ASSERT_IS_TYPE

BOOST_VMD_ASSERT_IS_TYPE — Asserts that the sequence is a VMD type.

Synopsis

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

BOOST_VMD_ASSERT_IS_TYPE(sequence)

Description

The macro checks that the sequence is a VMD type. If it is not a VMD type, it forces a compiler error.

The macro normally checks for a VMD type only in debug mode. However an end-user can force the macro to check or not check by defining the macro BOOST_VMD_ASSERT_DATA to 1 or 0 respectively.

sequence = a possible VMD type.

returns = Normally the macro returns nothing. 

          If the sequence is a VMD type, nothing is 
          output.
          
          For VC++, because there is no sure way of forcing  
          a compiler error from within a macro without producing
          output, if the sequence is not a VMD type the 
          macro forces a compiler error by outputting invalid C++.
          
          For all other compilers a compiler error is forced 
          without producing output if the sequence is not a 
          VMD type.


PrevUpHomeNext