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Diffstat (limited to 'boost/contract/detail/noop.hpp')
| -rw-r--r-- | boost/contract/detail/noop.hpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/boost/contract/detail/noop.hpp b/boost/contract/detail/noop.hpp new file mode 100644 index 0000000000..f3beabe246 --- /dev/null +++ b/boost/contract/detail/noop.hpp @@ -0,0 +1,19 @@ + +#ifndef BOOST_CONTRACT_DETAIL_NOOP_HPP_ +#define BOOST_CONTRACT_DETAIL_NOOP_HPP_ + +// Copyright (C) 2008-2018 Lorenzo Caminiti +// Distributed under the Boost Software License, Version 1.0 (see accompanying +// file LICENSE_1_0.txt or a copy at http://www.boost.org/LICENSE_1_0.txt). +// See: http://www.boost.org/doc/libs/release/libs/contract/doc/html/index.html + +// Following must be expressions, not statements (as used with if.., etc.). + +#define BOOST_CONTRACT_DETAIL_NOOP ((void)0) + +// Following always compiles but never evaluates cond (so check correct syntax). +#define BOOST_CONTRACT_DETAIL_NOEVAL(cond) \ + (true || (cond) ? BOOST_CONTRACT_DETAIL_NOOP : BOOST_CONTRACT_DETAIL_NOOP) + +#endif // #include guard + |