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Contents
// This header intentionally has no include guards.
//
// Copyright (c) 2001-2009, 2012 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
#if !defined( BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS ) && !defined( BOOST_NO_CXX11_NULLPTR )\
&& !(defined(__SUNPRO_CC) && BOOST_WORKAROUND(__SUNPRO_CC, <= 0x5130))
explicit operator bool () const BOOST_SP_NOEXCEPT
{
return px != 0;
}
#elif ( defined(__SUNPRO_CC) && BOOST_WORKAROUND(__SUNPRO_CC, < 0x570) ) || defined(__CINT__)
operator bool () const BOOST_SP_NOEXCEPT
{
return px != 0;
}
#elif defined( _MANAGED )
static void unspecified_bool( this_type*** )
{
}
typedef void (*unspecified_bool_type)( this_type*** );
operator unspecified_bool_type() const BOOST_SP_NOEXCEPT
{
return px == 0? 0: unspecified_bool;
}
#elif \
( defined(__MWERKS__) && BOOST_WORKAROUND(__MWERKS__, < 0x3200) ) || \
( defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ < 304) ) || \
( defined(__SUNPRO_CC) && BOOST_WORKAROUND(__SUNPRO_CC, <= 0x590) )
typedef element_type * (this_type::*unspecified_bool_type)() const;
operator unspecified_bool_type() const BOOST_SP_NOEXCEPT
{
return px == 0? 0: &this_type::get;
}
#else
typedef element_type * this_type::*unspecified_bool_type;
operator unspecified_bool_type() const BOOST_SP_NOEXCEPT
{
return px == 0? 0: &this_type::px;
}
#endif
// operator! is redundant, but some compilers need it
bool operator! () const BOOST_SP_NOEXCEPT
{
return px == 0;
}
Version data entries
26 entries across 26 versions & 1 rubygems