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234 lines
7.5 KiB
234 lines
7.5 KiB
/* /////////////////////////////////////////////////////////////////////////
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* File: stlsoft/error/throw_policies.hpp
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*
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* Purpose: Exception throwing policy classes.
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*
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* Created: 19th January 2002
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* Updated: 5th March 2011
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*
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* Home: http://stlsoft.org/
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*
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* Copyright (c) 2002-2011, Matthew Wilson and Synesis Software
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* Copyright (c) 2006, Pablo Aguilar
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name(s) of Matthew Wilson and Synesis Software, nor Pablo
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* Aguilar, nor the names of any contributors may be used to endorse or
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* promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* ////////////////////////////////////////////////////////////////////// */
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/** \file stlsoft/error/throw_policies.hpp
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*
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* \brief [C++ only] Definition of the stlsoft::nothrow_exception_policy and
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* stlsoft::throw_exception_policy exception policy classes
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* (\ref group__library__error "Error" Library).
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*/
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#ifndef STLSOFT_INCL_STLSOFT_ERROR_HPP_THROW_POLICIES
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#define STLSOFT_INCL_STLSOFT_ERROR_HPP_THROW_POLICIES
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#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
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# define STLSOFT_VER_STLSOFT_ERROR_HPP_THROW_POLICIES_MAJOR 5
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# define STLSOFT_VER_STLSOFT_ERROR_HPP_THROW_POLICIES_MINOR 0
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# define STLSOFT_VER_STLSOFT_ERROR_HPP_THROW_POLICIES_REVISION 2
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# define STLSOFT_VER_STLSOFT_ERROR_HPP_THROW_POLICIES_EDIT 51
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#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
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/* /////////////////////////////////////////////////////////////////////////
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* Compatibility
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*/
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/*
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[DocumentationStatus:Ready]
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*/
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/* /////////////////////////////////////////////////////////////////////////
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* Includes
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*/
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#ifndef STLSOFT_INCL_STLSOFT_H_STLSOFT
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# include <stlsoft/stlsoft.h>
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#endif /* !STLSOFT_INCL_STLSOFT_H_STLSOFT */
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#ifndef STLSOFT_INCL_EXCEPTION
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# define STLSOFT_INCL_EXCEPTION
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# include <exception>
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#endif /* !STLSOFT_INCL_EXCEPTION */
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/* /////////////////////////////////////////////////////////////////////////
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* Namespace
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*/
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#ifndef _STLSOFT_NO_NAMESPACE
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namespace stlsoft
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{
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#endif /* _STLSOFT_NO_NAMESPACE */
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/* /////////////////////////////////////////////////////////////////////////
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* Classes
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*/
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/** \brief The no-throwing exception policy. It does not throw, and its throw type is empty.
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*
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* \ingroup group__library__error
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*
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*/
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// [[synesis:class:exception-policy: null_exception_policy]]
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struct null_exception_policy
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{
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/// \name Member Types
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/// @{
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public:
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/// The thrown type
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struct thrown_type
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{
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};
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/// @}
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/// \name Operators
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/// @{
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public:
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/// Function call operator, taking no parameters
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void operator ()() const
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{}
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#ifdef STLSOFT_CF_MEMBER_TEMPLATE_FUNCTION_SUPPORT
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/// Function call operator, taking one parameter
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template <ss_typename_param_k T>
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void operator ()(T const& /* t */) const stlsoft_throw_0()
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{
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// Do nothing
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}
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/// Function call operator, taking two parameters
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template< ss_typename_param_k T1
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, ss_typename_param_k T2
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>
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void operator ()(T1 const& /* t1 */, T2 const& /* t2 */) const stlsoft_throw_0()
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{
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// Do nothing
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}
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/// Function call operator, taking three parameters
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template< ss_typename_param_k T1
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, ss_typename_param_k T2
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, ss_typename_param_k T3
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>
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void operator ()(T1 const& /* t1 */, T2 const& /* t2 */, T3 const& /* t3 */) const stlsoft_throw_0()
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{
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// Do nothing
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}
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/// Function call operator, taking four parameters
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template< ss_typename_param_k T1
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, ss_typename_param_k T2
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, ss_typename_param_k T3
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, ss_typename_param_k T4
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>
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void operator ()(T1 const& /* t1 */, T2 const& /* t2 */, T3 const& /* t3 */, T4 const& /* t4 */) const stlsoft_throw_0()
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{
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// Do nothing
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}
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#endif // STLSOFT_CF_MEMBER_TEMPLATE_FUNCTION_SUPPORT
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/// @}
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};
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/** \brief Alternative typedef for null_exception_policy
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*
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* \ingroup group__library__error
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*
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*/
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typedef null_exception_policy nothrow_exception_policy;
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/** \brief The throwing exception policy. It throws instances of its parameterising type.
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*
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* \ingroup group__library__error
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*
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*/
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template<ss_typename_param_k E>
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// [[synesis:class:exception-policy: throw_exception_policy]]
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struct throw_exception_policy
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{
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/// \name Member Types
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/// @{
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public:
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/// The thrown type
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typedef E thrown_type;
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/// @}
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/// \name Operators
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/// @{
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public:
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/// Function call operator, taking no parameters
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void operator ()() const
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{
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STLSOFT_THROW_X(thrown_type());
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}
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#ifdef STLSOFT_CF_MEMBER_TEMPLATE_FUNCTION_SUPPORT
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/// Function call operator, taking one parameter
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template <ss_typename_param_k T>
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void operator ()(T const& t) const
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{
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STLSOFT_THROW_X(thrown_type(t));
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}
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/// Function call operator, taking two parameters
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template<ss_typename_param_k T1, ss_typename_param_k T2>
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void operator ()(T1 const& t1, T2 const& t2) const
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{
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STLSOFT_THROW_X(thrown_type(t1, t2));
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}
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/// Function call operator, taking three parameters
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template<ss_typename_param_k T1, ss_typename_param_k T2, ss_typename_param_k T3>
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void operator ()(T1 const& t1, T2 const& t2, T3 const& t3) const
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{
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STLSOFT_THROW_X(thrown_type(t1, t2, t3));
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}
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/// Function call operator, taking four parameters
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template<ss_typename_param_k T1, ss_typename_param_k T2, ss_typename_param_k T3, ss_typename_param_k T4>
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void operator ()(T1 const& t1, T2 const& t2, T3 const& t3, T4 const& t4) const
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{
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STLSOFT_THROW_X(thrown_type(t1, t2, t3, t4));
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}
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#endif // STLSOFT_CF_MEMBER_TEMPLATE_FUNCTION_SUPPORT
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/// @}
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};
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#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
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# ifdef _STLSOFT_INCLUDE_OBSOLETE
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typedef null_exception_policy null_exception;
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typedef null_exception_policy nothrow_exception;
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# endif /* _STLSOFT_INCLUDE_OBSOLETE */
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#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
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/* ////////////////////////////////////////////////////////////////////// */
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#ifndef _STLSOFT_NO_NAMESPACE
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} // namespace stlsoft
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#endif /* _STLSOFT_NO_NAMESPACE */
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/* ////////////////////////////////////////////////////////////////////// */
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#endif /* !STLSOFT_INCL_STLSOFT_ERROR_HPP_THROW_POLICIES */
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/* ///////////////////////////// end of file //////////////////////////// */
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