/usr/include/boost/contract/detail
NameSizeModeActions
condition/-0755rm
inlined/-0755rm
operation/-0755rm
preprocessor/-0755rm
type_traits/-0755rm
assert.hpp10840644editdlrm
auto_ptr.hpp14250644editdlrm
check.hpp16910644editdlrm
checking.hpp21590644editdlrm
config.hpp8930644editdlrm
debug.hpp7460644editdlrm
decl.hpp50430644editdlrm
declspec.hpp20060644editdlrm
exception.hpp10720644editdlrm
inlined.hpp5650644editdlrm
name.hpp9450644editdlrm
none.hpp8770644editdlrm
noop.hpp7170644editdlrm
operator_safe_bool.hpp34700644editdlrm
static_local_var.hpp14430644editdlrm
tvariadic.hpp65970644editdlrm
Edit: /usr/include/boost/contract/detail/none.hpp (877B)
#ifndef BOOST_CONTRACT_DETAIL_NONE_HPP_ #define BOOST_CONTRACT_DETAIL_NONE_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 namespace boost { namespace contract { namespace detail { // Tag for "no type". struct none { // Some lib code use this to avoid unused local var warnings on #if, etc. static none& value() { static none none_value; return none_value; } }; // Transform `void` to `none` type (for convenience, instead of using MPL). template struct none_if_void { typedef T type; }; template<> struct none_if_void { typedef none type; }; } } } // namespace #endif // #include guard