mirror of
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1083 lines
32 KiB
C++
1083 lines
32 KiB
C++
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//
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// (C) Copyright Jeremy Siek 2000.
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// Copyright 2002 The Trustees of Indiana University.
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// Revision History:
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// 05 May 2001: Workarounds for HP aCC from Thomas Matelich. (Jeremy Siek)
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// 02 April 2001: Removed limits header altogether. (Jeremy Siek)
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// 01 April 2001: Modified to use new <boost/limits.hpp> header. (JMaddock)
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//
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// See http://www.boost.org/libs/concept_check for documentation.
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#ifndef BOOST_CONCEPT_CHECKS_HPP
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# define BOOST_CONCEPT_CHECKS_HPP
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# include <boost/concept/assert.hpp>
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# include <iterator>
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# include <boost/type_traits/conversion_traits.hpp>
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# include <utility>
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# include <boost/type_traits/is_same.hpp>
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# include <boost/type_traits/is_void.hpp>
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# include <boost/mpl/assert.hpp>
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# include <boost/mpl/bool.hpp>
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# include <boost/detail/workaround.hpp>
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# include <boost/concept/usage.hpp>
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# include <boost/concept/detail/concept_def.hpp>
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#if (defined _MSC_VER)
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# pragma warning( push )
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# pragma warning( disable : 4510 ) // default constructor could not be generated
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# pragma warning( disable : 4610 ) // object 'class' can never be instantiated - user-defined constructor required
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#endif
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namespace boost
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{
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//
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// Backward compatibility
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//
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template <class Model>
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inline void function_requires(Model* = 0)
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{
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BOOST_CONCEPT_ASSERT((Model));
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}
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template <class T> inline void ignore_unused_variable_warning(T const&) {}
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# define BOOST_CLASS_REQUIRE(type_var, ns, concept) \
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BOOST_CONCEPT_ASSERT((ns::concept<type_var>))
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# define BOOST_CLASS_REQUIRE2(type_var1, type_var2, ns, concept) \
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BOOST_CONCEPT_ASSERT((ns::concept<type_var1,type_var2>))
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# define BOOST_CLASS_REQUIRE3(tv1, tv2, tv3, ns, concept) \
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BOOST_CONCEPT_ASSERT((ns::concept<tv1,tv2,tv3>))
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# define BOOST_CLASS_REQUIRE4(tv1, tv2, tv3, tv4, ns, concept) \
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BOOST_CONCEPT_ASSERT((ns::concept<tv1,tv2,tv3,tv4>))
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//
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// Begin concept definitions
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//
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BOOST_concept(Integer, (T))
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{
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BOOST_CONCEPT_USAGE(Integer)
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{
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x.error_type_must_be_an_integer_type();
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}
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private:
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T x;
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};
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template <> struct Integer<char> {};
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template <> struct Integer<signed char> {};
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template <> struct Integer<unsigned char> {};
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template <> struct Integer<short> {};
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template <> struct Integer<unsigned short> {};
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template <> struct Integer<int> {};
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template <> struct Integer<unsigned int> {};
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template <> struct Integer<long> {};
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template <> struct Integer<unsigned long> {};
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# if defined(BOOST_HAS_LONG_LONG)
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template <> struct Integer< ::boost::long_long_type> {};
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template <> struct Integer< ::boost::ulong_long_type> {};
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# elif defined(BOOST_HAS_MS_INT64)
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template <> struct Integer<__int64> {};
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template <> struct Integer<unsigned __int64> {};
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# endif
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BOOST_concept(SignedInteger,(T)) {
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BOOST_CONCEPT_USAGE(SignedInteger) {
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x.error_type_must_be_a_signed_integer_type();
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}
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private:
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T x;
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};
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template <> struct SignedInteger<signed char> { };
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template <> struct SignedInteger<short> {};
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template <> struct SignedInteger<int> {};
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template <> struct SignedInteger<long> {};
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# if defined(BOOST_HAS_LONG_LONG)
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template <> struct SignedInteger< ::boost::long_long_type> {};
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# elif defined(BOOST_HAS_MS_INT64)
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template <> struct SignedInteger<__int64> {};
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# endif
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BOOST_concept(UnsignedInteger,(T)) {
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BOOST_CONCEPT_USAGE(UnsignedInteger) {
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x.error_type_must_be_an_unsigned_integer_type();
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}
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private:
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T x;
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};
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template <> struct UnsignedInteger<unsigned char> {};
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template <> struct UnsignedInteger<unsigned short> {};
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template <> struct UnsignedInteger<unsigned int> {};
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template <> struct UnsignedInteger<unsigned long> {};
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# if defined(BOOST_HAS_LONG_LONG)
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template <> struct UnsignedInteger< ::boost::ulong_long_type> {};
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# elif defined(BOOST_HAS_MS_INT64)
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template <> struct UnsignedInteger<unsigned __int64> {};
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# endif
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//===========================================================================
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// Basic Concepts
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BOOST_concept(DefaultConstructible,(TT))
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{
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BOOST_CONCEPT_USAGE(DefaultConstructible) {
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TT a; // require default constructor
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ignore_unused_variable_warning(a);
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}
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};
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BOOST_concept(Assignable,(TT))
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{
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BOOST_CONCEPT_USAGE(Assignable) {
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#if !defined(_ITERATOR_) // back_insert_iterator broken for VC++ STL
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a = b; // require assignment operator
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#endif
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const_constraints(b);
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}
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private:
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void const_constraints(const TT& x) {
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#if !defined(_ITERATOR_) // back_insert_iterator broken for VC++ STL
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a = x; // const required for argument to assignment
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#else
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ignore_unused_variable_warning(x);
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#endif
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}
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private:
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TT a;
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TT b;
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};
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BOOST_concept(CopyConstructible,(TT))
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{
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BOOST_CONCEPT_USAGE(CopyConstructible) {
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TT a(b); // require copy constructor
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TT* ptr = &a; // require address of operator
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const_constraints(a);
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ignore_unused_variable_warning(ptr);
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}
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private:
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void const_constraints(const TT& a) {
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TT c(a); // require const copy constructor
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const TT* ptr = &a; // require const address of operator
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ignore_unused_variable_warning(c);
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ignore_unused_variable_warning(ptr);
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}
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TT b;
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};
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// The SGI STL version of Assignable requires copy constructor and operator=
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BOOST_concept(SGIAssignable,(TT))
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{
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BOOST_CONCEPT_USAGE(SGIAssignable) {
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TT c(a);
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#if !defined(_ITERATOR_) // back_insert_iterator broken for VC++ STL
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a = b; // require assignment operator
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#endif
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const_constraints(b);
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ignore_unused_variable_warning(c);
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}
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private:
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void const_constraints(const TT& x) {
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TT c(x);
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#if !defined(_ITERATOR_) // back_insert_iterator broken for VC++ STL
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a = x; // const required for argument to assignment
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#endif
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ignore_unused_variable_warning(c);
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}
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TT a;
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TT b;
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};
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BOOST_concept(Convertible,(X)(Y))
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{
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BOOST_CONCEPT_USAGE(Convertible) {
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Y y = x;
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ignore_unused_variable_warning(y);
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}
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private:
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X x;
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};
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// The C++ standard requirements for many concepts talk about return
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// types that must be "convertible to bool". The problem with this
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// requirement is that it leaves the door open for evil proxies that
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// define things like operator|| with strange return types. Two
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// possible solutions are:
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// 1) require the return type to be exactly bool
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// 2) stay with convertible to bool, and also
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// specify stuff about all the logical operators.
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// For now we just test for convertible to bool.
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template <class TT>
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void require_boolean_expr(const TT& t) {
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bool x = t;
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ignore_unused_variable_warning(x);
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}
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BOOST_concept(EqualityComparable,(TT))
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{
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BOOST_CONCEPT_USAGE(EqualityComparable) {
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require_boolean_expr(a == b);
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require_boolean_expr(a != b);
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}
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private:
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TT a, b;
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};
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BOOST_concept(LessThanComparable,(TT))
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{
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BOOST_CONCEPT_USAGE(LessThanComparable) {
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require_boolean_expr(a < b);
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}
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private:
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TT a, b;
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};
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// This is equivalent to SGI STL's LessThanComparable.
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BOOST_concept(Comparable,(TT))
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{
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BOOST_CONCEPT_USAGE(Comparable) {
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require_boolean_expr(a < b);
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require_boolean_expr(a > b);
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require_boolean_expr(a <= b);
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require_boolean_expr(a >= b);
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}
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private:
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TT a, b;
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};
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#define BOOST_DEFINE_BINARY_PREDICATE_OP_CONSTRAINT(OP,NAME) \
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BOOST_concept(NAME, (First)(Second)) \
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{ \
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BOOST_CONCEPT_USAGE(NAME) { (void)constraints_(); } \
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private: \
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bool constraints_() { return a OP b; } \
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First a; \
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Second b; \
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}
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#define BOOST_DEFINE_BINARY_OPERATOR_CONSTRAINT(OP,NAME) \
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BOOST_concept(NAME, (Ret)(First)(Second)) \
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{ \
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BOOST_CONCEPT_USAGE(NAME) { (void)constraints_(); } \
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private: \
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Ret constraints_() { return a OP b; } \
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First a; \
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Second b; \
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}
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BOOST_DEFINE_BINARY_PREDICATE_OP_CONSTRAINT(==, EqualOp);
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BOOST_DEFINE_BINARY_PREDICATE_OP_CONSTRAINT(!=, NotEqualOp);
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BOOST_DEFINE_BINARY_PREDICATE_OP_CONSTRAINT(<, LessThanOp);
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BOOST_DEFINE_BINARY_PREDICATE_OP_CONSTRAINT(<=, LessEqualOp);
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BOOST_DEFINE_BINARY_PREDICATE_OP_CONSTRAINT(>, GreaterThanOp);
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BOOST_DEFINE_BINARY_PREDICATE_OP_CONSTRAINT(>=, GreaterEqualOp);
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BOOST_DEFINE_BINARY_OPERATOR_CONSTRAINT(+, PlusOp);
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BOOST_DEFINE_BINARY_OPERATOR_CONSTRAINT(*, TimesOp);
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BOOST_DEFINE_BINARY_OPERATOR_CONSTRAINT(/, DivideOp);
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BOOST_DEFINE_BINARY_OPERATOR_CONSTRAINT(-, SubtractOp);
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BOOST_DEFINE_BINARY_OPERATOR_CONSTRAINT(%, ModOp);
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//===========================================================================
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// Function Object Concepts
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BOOST_concept(Generator,(Func)(Return))
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{
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BOOST_CONCEPT_USAGE(Generator) { test(is_void<Return>()); }
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private:
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void test(boost::mpl::false_)
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{
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// Do we really want a reference here?
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const Return& r = f();
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ignore_unused_variable_warning(r);
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}
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void test(boost::mpl::true_)
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{
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f();
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}
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Func f;
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};
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BOOST_concept(UnaryFunction,(Func)(Return)(Arg))
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{
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BOOST_CONCEPT_USAGE(UnaryFunction) { test(is_void<Return>()); }
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private:
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void test(boost::mpl::false_)
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{
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f(arg); // "priming the pump" this way keeps msvc6 happy (ICE)
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Return r = f(arg);
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ignore_unused_variable_warning(r);
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}
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void test(boost::mpl::true_)
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{
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f(arg);
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}
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#if (BOOST_WORKAROUND(__GNUC__, BOOST_TESTED_AT(4) \
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&& BOOST_WORKAROUND(__GNUC__, > 3)))
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// Declare a dummy construktor to make gcc happy.
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// It seems the compiler can not generate a sensible constructor when this is instantiated with a refence type.
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// (warning: non-static reference "const double& boost::UnaryFunction<YourClassHere>::arg"
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// in class without a constructor [-Wuninitialized])
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UnaryFunction();
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#endif
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Func f;
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Arg arg;
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};
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BOOST_concept(BinaryFunction,(Func)(Return)(First)(Second))
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{
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BOOST_CONCEPT_USAGE(BinaryFunction) { test(is_void<Return>()); }
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private:
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void test(boost::mpl::false_)
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{
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f(first,second);
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Return r = f(first, second); // require operator()
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(void)r;
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}
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void test(boost::mpl::true_)
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{
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f(first,second);
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}
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#if (BOOST_WORKAROUND(__GNUC__, BOOST_TESTED_AT(4) \
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&& BOOST_WORKAROUND(__GNUC__, > 3)))
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// Declare a dummy constructor to make gcc happy.
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||
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// It seems the compiler can not generate a sensible constructor when this is instantiated with a refence type.
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||
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// (warning: non-static reference "const double& boost::BinaryFunction<YourClassHere>::arg"
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// in class without a constructor [-Wuninitialized])
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||
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BinaryFunction();
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#endif
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Func f;
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First first;
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Second second;
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};
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BOOST_concept(UnaryPredicate,(Func)(Arg))
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{
|
||
|
|
BOOST_CONCEPT_USAGE(UnaryPredicate) {
|
||
|
|
require_boolean_expr(f(arg)); // require operator() returning bool
|
||
|
|
}
|
||
|
|
private:
|
||
|
|
#if (BOOST_WORKAROUND(__GNUC__, BOOST_TESTED_AT(4) \
|
||
|
|
&& BOOST_WORKAROUND(__GNUC__, > 3)))
|
||
|
|
// Declare a dummy constructor to make gcc happy.
|
||
|
|
// It seems the compiler can not generate a sensible constructor when this is instantiated with a refence type.
|
||
|
|
// (warning: non-static reference "const double& boost::UnaryPredicate<YourClassHere>::arg"
|
||
|
|
// in class without a constructor [-Wuninitialized])
|
||
|
|
UnaryPredicate();
|
||
|
|
#endif
|
||
|
|
|
||
|
|
Func f;
|
||
|
|
Arg arg;
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(BinaryPredicate,(Func)(First)(Second))
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_USAGE(BinaryPredicate) {
|
||
|
|
require_boolean_expr(f(a, b)); // require operator() returning bool
|
||
|
|
}
|
||
|
|
private:
|
||
|
|
#if (BOOST_WORKAROUND(__GNUC__, BOOST_TESTED_AT(4) \
|
||
|
|
&& BOOST_WORKAROUND(__GNUC__, > 3)))
|
||
|
|
// Declare a dummy constructor to make gcc happy.
|
||
|
|
// It seems the compiler can not generate a sensible constructor when this is instantiated with a refence type.
|
||
|
|
// (warning: non-static reference "const double& boost::BinaryPredicate<YourClassHere>::arg"
|
||
|
|
// in class without a constructor [-Wuninitialized])
|
||
|
|
BinaryPredicate();
|
||
|
|
#endif
|
||
|
|
Func f;
|
||
|
|
First a;
|
||
|
|
Second b;
|
||
|
|
};
|
||
|
|
|
||
|
|
// use this when functor is used inside a container class like std::set
|
||
|
|
BOOST_concept(Const_BinaryPredicate,(Func)(First)(Second))
|
||
|
|
: BinaryPredicate<Func, First, Second>
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_USAGE(Const_BinaryPredicate) {
|
||
|
|
const_constraints(f);
|
||
|
|
}
|
||
|
|
private:
|
||
|
|
void const_constraints(const Func& fun) {
|
||
|
|
// operator() must be a const member function
|
||
|
|
require_boolean_expr(fun(a, b));
|
||
|
|
}
|
||
|
|
#if (BOOST_WORKAROUND(__GNUC__, BOOST_TESTED_AT(4) \
|
||
|
|
&& BOOST_WORKAROUND(__GNUC__, > 3)))
|
||
|
|
// Declare a dummy constructor to make gcc happy.
|
||
|
|
// It seems the compiler can not generate a sensible constructor when this is instantiated with a refence type.
|
||
|
|
// (warning: non-static reference "const double& boost::Const_BinaryPredicate<YourClassHere>::arg"
|
||
|
|
// in class without a constructor [-Wuninitialized])
|
||
|
|
Const_BinaryPredicate();
|
||
|
|
#endif
|
||
|
|
|
||
|
|
Func f;
|
||
|
|
First a;
|
||
|
|
Second b;
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(AdaptableGenerator,(Func)(Return))
|
||
|
|
: Generator<Func, typename Func::result_type>
|
||
|
|
{
|
||
|
|
typedef typename Func::result_type result_type;
|
||
|
|
|
||
|
|
BOOST_CONCEPT_USAGE(AdaptableGenerator)
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_ASSERT((Convertible<result_type, Return>));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(AdaptableUnaryFunction,(Func)(Return)(Arg))
|
||
|
|
: UnaryFunction<Func, typename Func::result_type, typename Func::argument_type>
|
||
|
|
{
|
||
|
|
typedef typename Func::argument_type argument_type;
|
||
|
|
typedef typename Func::result_type result_type;
|
||
|
|
|
||
|
|
~AdaptableUnaryFunction()
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_ASSERT((Convertible<result_type, Return>));
|
||
|
|
BOOST_CONCEPT_ASSERT((Convertible<Arg, argument_type>));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(AdaptableBinaryFunction,(Func)(Return)(First)(Second))
|
||
|
|
: BinaryFunction<
|
||
|
|
Func
|
||
|
|
, typename Func::result_type
|
||
|
|
, typename Func::first_argument_type
|
||
|
|
, typename Func::second_argument_type
|
||
|
|
>
|
||
|
|
{
|
||
|
|
typedef typename Func::first_argument_type first_argument_type;
|
||
|
|
typedef typename Func::second_argument_type second_argument_type;
|
||
|
|
typedef typename Func::result_type result_type;
|
||
|
|
|
||
|
|
~AdaptableBinaryFunction()
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_ASSERT((Convertible<result_type, Return>));
|
||
|
|
BOOST_CONCEPT_ASSERT((Convertible<First, first_argument_type>));
|
||
|
|
BOOST_CONCEPT_ASSERT((Convertible<Second, second_argument_type>));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(AdaptablePredicate,(Func)(Arg))
|
||
|
|
: UnaryPredicate<Func, Arg>
|
||
|
|
, AdaptableUnaryFunction<Func, bool, Arg>
|
||
|
|
{
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(AdaptableBinaryPredicate,(Func)(First)(Second))
|
||
|
|
: BinaryPredicate<Func, First, Second>
|
||
|
|
, AdaptableBinaryFunction<Func, bool, First, Second>
|
||
|
|
{
|
||
|
|
};
|
||
|
|
|
||
|
|
//===========================================================================
|
||
|
|
// Iterator Concepts
|
||
|
|
|
||
|
|
BOOST_concept(InputIterator,(TT))
|
||
|
|
: Assignable<TT>
|
||
|
|
, EqualityComparable<TT>
|
||
|
|
{
|
||
|
|
typedef typename std::iterator_traits<TT>::value_type value_type;
|
||
|
|
typedef typename std::iterator_traits<TT>::difference_type difference_type;
|
||
|
|
typedef typename std::iterator_traits<TT>::reference reference;
|
||
|
|
typedef typename std::iterator_traits<TT>::pointer pointer;
|
||
|
|
typedef typename std::iterator_traits<TT>::iterator_category iterator_category;
|
||
|
|
|
||
|
|
BOOST_CONCEPT_USAGE(InputIterator)
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_ASSERT((SignedInteger<difference_type>));
|
||
|
|
BOOST_CONCEPT_ASSERT((Convertible<iterator_category, std::input_iterator_tag>));
|
||
|
|
|
||
|
|
TT j(i);
|
||
|
|
(void)*i; // require dereference operator
|
||
|
|
++j; // require preincrement operator
|
||
|
|
i++; // require postincrement operator
|
||
|
|
}
|
||
|
|
private:
|
||
|
|
TT i;
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(OutputIterator,(TT)(ValueT))
|
||
|
|
: Assignable<TT>
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_USAGE(OutputIterator) {
|
||
|
|
|
||
|
|
++i; // require preincrement operator
|
||
|
|
i++; // require postincrement operator
|
||
|
|
*i++ = t; // require postincrement and assignment
|
||
|
|
}
|
||
|
|
private:
|
||
|
|
TT i, j;
|
||
|
|
ValueT t;
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(ForwardIterator,(TT))
|
||
|
|
: InputIterator<TT>
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_USAGE(ForwardIterator)
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_ASSERT((Convertible<
|
||
|
|
BOOST_DEDUCED_TYPENAME ForwardIterator::iterator_category
|
||
|
|
, std::forward_iterator_tag
|
||
|
|
>));
|
||
|
|
|
||
|
|
typename InputIterator<TT>::reference r = *i;
|
||
|
|
ignore_unused_variable_warning(r);
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
TT i;
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(Mutable_ForwardIterator,(TT))
|
||
|
|
: ForwardIterator<TT>
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_USAGE(Mutable_ForwardIterator) {
|
||
|
|
*i++ = *j; // require postincrement and assignment
|
||
|
|
}
|
||
|
|
private:
|
||
|
|
TT i, j;
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(BidirectionalIterator,(TT))
|
||
|
|
: ForwardIterator<TT>
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_USAGE(BidirectionalIterator)
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_ASSERT((Convertible<
|
||
|
|
BOOST_DEDUCED_TYPENAME BidirectionalIterator::iterator_category
|
||
|
|
, std::bidirectional_iterator_tag
|
||
|
|
>));
|
||
|
|
|
||
|
|
--i; // require predecrement operator
|
||
|
|
i--; // require postdecrement operator
|
||
|
|
}
|
||
|
|
private:
|
||
|
|
TT i;
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(Mutable_BidirectionalIterator,(TT))
|
||
|
|
: BidirectionalIterator<TT>
|
||
|
|
, Mutable_ForwardIterator<TT>
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_USAGE(Mutable_BidirectionalIterator)
|
||
|
|
{
|
||
|
|
*i-- = *j; // require postdecrement and assignment
|
||
|
|
}
|
||
|
|
private:
|
||
|
|
TT i, j;
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(RandomAccessIterator,(TT))
|
||
|
|
: BidirectionalIterator<TT>
|
||
|
|
, Comparable<TT>
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_USAGE(RandomAccessIterator)
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_ASSERT((Convertible<
|
||
|
|
BOOST_DEDUCED_TYPENAME BidirectionalIterator<TT>::iterator_category
|
||
|
|
, std::random_access_iterator_tag
|
||
|
|
>));
|
||
|
|
|
||
|
|
i += n; // require assignment addition operator
|
||
|
|
i = i + n; i = n + i; // require addition with difference type
|
||
|
|
i -= n; // require assignment subtraction operator
|
||
|
|
i = i - n; // require subtraction with difference type
|
||
|
|
n = i - j; // require difference operator
|
||
|
|
(void)i[n]; // require element access operator
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
TT a, b;
|
||
|
|
TT i, j;
|
||
|
|
typename std::iterator_traits<TT>::difference_type n;
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(Mutable_RandomAccessIterator,(TT))
|
||
|
|
: RandomAccessIterator<TT>
|
||
|
|
, Mutable_BidirectionalIterator<TT>
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_USAGE(Mutable_RandomAccessIterator)
|
||
|
|
{
|
||
|
|
i[n] = *i; // require element access and assignment
|
||
|
|
}
|
||
|
|
private:
|
||
|
|
TT i;
|
||
|
|
typename std::iterator_traits<TT>::difference_type n;
|
||
|
|
};
|
||
|
|
|
||
|
|
//===========================================================================
|
||
|
|
// Container s
|
||
|
|
|
||
|
|
BOOST_concept(Container,(C))
|
||
|
|
: Assignable<C>
|
||
|
|
{
|
||
|
|
typedef typename C::value_type value_type;
|
||
|
|
typedef typename C::difference_type difference_type;
|
||
|
|
typedef typename C::size_type size_type;
|
||
|
|
typedef typename C::const_reference const_reference;
|
||
|
|
typedef typename C::const_pointer const_pointer;
|
||
|
|
typedef typename C::const_iterator const_iterator;
|
||
|
|
|
||
|
|
BOOST_CONCEPT_USAGE(Container)
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_ASSERT((InputIterator<const_iterator>));
|
||
|
|
const_constraints(c);
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
void const_constraints(const C& cc) {
|
||
|
|
i = cc.begin();
|
||
|
|
i = cc.end();
|
||
|
|
n = cc.size();
|
||
|
|
n = cc.max_size();
|
||
|
|
b = cc.empty();
|
||
|
|
}
|
||
|
|
C c;
|
||
|
|
bool b;
|
||
|
|
const_iterator i;
|
||
|
|
size_type n;
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(Mutable_Container,(C))
|
||
|
|
: Container<C>
|
||
|
|
{
|
||
|
|
typedef typename C::reference reference;
|
||
|
|
typedef typename C::iterator iterator;
|
||
|
|
typedef typename C::pointer pointer;
|
||
|
|
|
||
|
|
BOOST_CONCEPT_USAGE(Mutable_Container)
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_ASSERT((
|
||
|
|
Assignable<typename Mutable_Container::value_type>));
|
||
|
|
|
||
|
|
BOOST_CONCEPT_ASSERT((InputIterator<iterator>));
|
||
|
|
|
||
|
|
i = c.begin();
|
||
|
|
i = c.end();
|
||
|
|
c.swap(c2);
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
iterator i;
|
||
|
|
C c, c2;
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(ForwardContainer,(C))
|
||
|
|
: Container<C>
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_USAGE(ForwardContainer)
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_ASSERT((
|
||
|
|
ForwardIterator<
|
||
|
|
typename ForwardContainer::const_iterator
|
||
|
|
>));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(Mutable_ForwardContainer,(C))
|
||
|
|
: ForwardContainer<C>
|
||
|
|
, Mutable_Container<C>
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_USAGE(Mutable_ForwardContainer)
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_ASSERT((
|
||
|
|
Mutable_ForwardIterator<
|
||
|
|
typename Mutable_ForwardContainer::iterator
|
||
|
|
>));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(ReversibleContainer,(C))
|
||
|
|
: ForwardContainer<C>
|
||
|
|
{
|
||
|
|
typedef typename
|
||
|
|
C::const_reverse_iterator
|
||
|
|
const_reverse_iterator;
|
||
|
|
|
||
|
|
BOOST_CONCEPT_USAGE(ReversibleContainer)
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_ASSERT((
|
||
|
|
BidirectionalIterator<
|
||
|
|
typename ReversibleContainer::const_iterator>));
|
||
|
|
|
||
|
|
BOOST_CONCEPT_ASSERT((BidirectionalIterator<const_reverse_iterator>));
|
||
|
|
|
||
|
|
const_constraints(c);
|
||
|
|
}
|
||
|
|
private:
|
||
|
|
void const_constraints(const C& cc)
|
||
|
|
{
|
||
|
|
const_reverse_iterator i = cc.rbegin();
|
||
|
|
i = cc.rend();
|
||
|
|
}
|
||
|
|
C c;
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(Mutable_ReversibleContainer,(C))
|
||
|
|
: Mutable_ForwardContainer<C>
|
||
|
|
, ReversibleContainer<C>
|
||
|
|
{
|
||
|
|
typedef typename C::reverse_iterator reverse_iterator;
|
||
|
|
|
||
|
|
BOOST_CONCEPT_USAGE(Mutable_ReversibleContainer)
|
||
|
|
{
|
||
|
|
typedef typename Mutable_ForwardContainer<C>::iterator iterator;
|
||
|
|
BOOST_CONCEPT_ASSERT((Mutable_BidirectionalIterator<iterator>));
|
||
|
|
BOOST_CONCEPT_ASSERT((Mutable_BidirectionalIterator<reverse_iterator>));
|
||
|
|
|
||
|
|
reverse_iterator i = c.rbegin();
|
||
|
|
i = c.rend();
|
||
|
|
}
|
||
|
|
private:
|
||
|
|
C c;
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(RandomAccessContainer,(C))
|
||
|
|
: ReversibleContainer<C>
|
||
|
|
{
|
||
|
|
typedef typename C::size_type size_type;
|
||
|
|
typedef typename C::const_reference const_reference;
|
||
|
|
|
||
|
|
BOOST_CONCEPT_USAGE(RandomAccessContainer)
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_ASSERT((
|
||
|
|
RandomAccessIterator<
|
||
|
|
typename RandomAccessContainer::const_iterator
|
||
|
|
>));
|
||
|
|
|
||
|
|
const_constraints(c);
|
||
|
|
}
|
||
|
|
private:
|
||
|
|
void const_constraints(const C& cc)
|
||
|
|
{
|
||
|
|
const_reference r = cc[n];
|
||
|
|
ignore_unused_variable_warning(r);
|
||
|
|
}
|
||
|
|
|
||
|
|
C c;
|
||
|
|
size_type n;
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(Mutable_RandomAccessContainer,(C))
|
||
|
|
: Mutable_ReversibleContainer<C>
|
||
|
|
, RandomAccessContainer<C>
|
||
|
|
{
|
||
|
|
private:
|
||
|
|
typedef Mutable_RandomAccessContainer self;
|
||
|
|
public:
|
||
|
|
BOOST_CONCEPT_USAGE(Mutable_RandomAccessContainer)
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_ASSERT((Mutable_RandomAccessIterator<typename self::iterator>));
|
||
|
|
BOOST_CONCEPT_ASSERT((Mutable_RandomAccessIterator<typename self::reverse_iterator>));
|
||
|
|
|
||
|
|
typename self::reference r = c[i];
|
||
|
|
ignore_unused_variable_warning(r);
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
typename Mutable_ReversibleContainer<C>::size_type i;
|
||
|
|
C c;
|
||
|
|
};
|
||
|
|
|
||
|
|
// A Sequence is inherently mutable
|
||
|
|
BOOST_concept(Sequence,(S))
|
||
|
|
: Mutable_ForwardContainer<S>
|
||
|
|
// Matt Austern's book puts DefaultConstructible here, the C++
|
||
|
|
// standard places it in Container --JGS
|
||
|
|
// ... so why aren't we following the standard? --DWA
|
||
|
|
, DefaultConstructible<S>
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_USAGE(Sequence)
|
||
|
|
{
|
||
|
|
S
|
||
|
|
c(n, t),
|
||
|
|
c2(first, last);
|
||
|
|
|
||
|
|
c.insert(p, t);
|
||
|
|
c.insert(p, n, t);
|
||
|
|
c.insert(p, first, last);
|
||
|
|
|
||
|
|
c.erase(p);
|
||
|
|
c.erase(p, q);
|
||
|
|
|
||
|
|
typename Sequence::reference r = c.front();
|
||
|
|
|
||
|
|
ignore_unused_variable_warning(c);
|
||
|
|
ignore_unused_variable_warning(c2);
|
||
|
|
ignore_unused_variable_warning(r);
|
||
|
|
const_constraints(c);
|
||
|
|
}
|
||
|
|
private:
|
||
|
|
void const_constraints(const S& c) {
|
||
|
|
typename Sequence::const_reference r = c.front();
|
||
|
|
ignore_unused_variable_warning(r);
|
||
|
|
}
|
||
|
|
|
||
|
|
typename S::value_type t;
|
||
|
|
typename S::size_type n;
|
||
|
|
typename S::value_type* first, *last;
|
||
|
|
typename S::iterator p, q;
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(FrontInsertionSequence,(S))
|
||
|
|
: Sequence<S>
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_USAGE(FrontInsertionSequence)
|
||
|
|
{
|
||
|
|
c.push_front(t);
|
||
|
|
c.pop_front();
|
||
|
|
}
|
||
|
|
private:
|
||
|
|
S c;
|
||
|
|
typename S::value_type t;
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(BackInsertionSequence,(S))
|
||
|
|
: Sequence<S>
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_USAGE(BackInsertionSequence)
|
||
|
|
{
|
||
|
|
c.push_back(t);
|
||
|
|
c.pop_back();
|
||
|
|
typename BackInsertionSequence::reference r = c.back();
|
||
|
|
ignore_unused_variable_warning(r);
|
||
|
|
const_constraints(c);
|
||
|
|
}
|
||
|
|
private:
|
||
|
|
void const_constraints(const S& cc) {
|
||
|
|
typename BackInsertionSequence::const_reference
|
||
|
|
r = cc.back();
|
||
|
|
ignore_unused_variable_warning(r);
|
||
|
|
}
|
||
|
|
S c;
|
||
|
|
typename S::value_type t;
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(AssociativeContainer,(C))
|
||
|
|
: ForwardContainer<C>
|
||
|
|
, DefaultConstructible<C>
|
||
|
|
{
|
||
|
|
typedef typename C::key_type key_type;
|
||
|
|
typedef typename C::key_compare key_compare;
|
||
|
|
typedef typename C::value_compare value_compare;
|
||
|
|
typedef typename C::iterator iterator;
|
||
|
|
|
||
|
|
BOOST_CONCEPT_USAGE(AssociativeContainer)
|
||
|
|
{
|
||
|
|
i = c.find(k);
|
||
|
|
r = c.equal_range(k);
|
||
|
|
c.erase(k);
|
||
|
|
c.erase(i);
|
||
|
|
c.erase(r.first, r.second);
|
||
|
|
const_constraints(c);
|
||
|
|
BOOST_CONCEPT_ASSERT((BinaryPredicate<key_compare,key_type,key_type>));
|
||
|
|
|
||
|
|
typedef typename AssociativeContainer::value_type value_type_;
|
||
|
|
BOOST_CONCEPT_ASSERT((BinaryPredicate<value_compare,value_type_,value_type_>));
|
||
|
|
}
|
||
|
|
|
||
|
|
// Redundant with the base concept, but it helps below.
|
||
|
|
typedef typename C::const_iterator const_iterator;
|
||
|
|
private:
|
||
|
|
void const_constraints(const C& cc)
|
||
|
|
{
|
||
|
|
ci = cc.find(k);
|
||
|
|
n = cc.count(k);
|
||
|
|
cr = cc.equal_range(k);
|
||
|
|
}
|
||
|
|
|
||
|
|
C c;
|
||
|
|
iterator i;
|
||
|
|
std::pair<iterator,iterator> r;
|
||
|
|
const_iterator ci;
|
||
|
|
std::pair<const_iterator,const_iterator> cr;
|
||
|
|
typename C::key_type k;
|
||
|
|
typename C::size_type n;
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(UniqueAssociativeContainer,(C))
|
||
|
|
: AssociativeContainer<C>
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_USAGE(UniqueAssociativeContainer)
|
||
|
|
{
|
||
|
|
C c(first, last);
|
||
|
|
|
||
|
|
pos_flag = c.insert(t);
|
||
|
|
c.insert(first, last);
|
||
|
|
|
||
|
|
ignore_unused_variable_warning(c);
|
||
|
|
}
|
||
|
|
private:
|
||
|
|
std::pair<typename C::iterator, bool> pos_flag;
|
||
|
|
typename C::value_type t;
|
||
|
|
typename C::value_type* first, *last;
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(MultipleAssociativeContainer,(C))
|
||
|
|
: AssociativeContainer<C>
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_USAGE(MultipleAssociativeContainer)
|
||
|
|
{
|
||
|
|
C c(first, last);
|
||
|
|
|
||
|
|
pos = c.insert(t);
|
||
|
|
c.insert(first, last);
|
||
|
|
|
||
|
|
ignore_unused_variable_warning(c);
|
||
|
|
ignore_unused_variable_warning(pos);
|
||
|
|
}
|
||
|
|
private:
|
||
|
|
typename C::iterator pos;
|
||
|
|
typename C::value_type t;
|
||
|
|
typename C::value_type* first, *last;
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(SimpleAssociativeContainer,(C))
|
||
|
|
: AssociativeContainer<C>
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_USAGE(SimpleAssociativeContainer)
|
||
|
|
{
|
||
|
|
typedef typename C::key_type key_type;
|
||
|
|
typedef typename C::value_type value_type;
|
||
|
|
BOOST_MPL_ASSERT((boost::is_same<key_type,value_type>));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(PairAssociativeContainer,(C))
|
||
|
|
: AssociativeContainer<C>
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_USAGE(PairAssociativeContainer)
|
||
|
|
{
|
||
|
|
typedef typename C::key_type key_type;
|
||
|
|
typedef typename C::value_type value_type;
|
||
|
|
typedef typename C::mapped_type mapped_type;
|
||
|
|
typedef std::pair<const key_type, mapped_type> required_value_type;
|
||
|
|
BOOST_MPL_ASSERT((boost::is_same<value_type,required_value_type>));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_concept(SortedAssociativeContainer,(C))
|
||
|
|
: AssociativeContainer<C>
|
||
|
|
, ReversibleContainer<C>
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_USAGE(SortedAssociativeContainer)
|
||
|
|
{
|
||
|
|
C
|
||
|
|
c(kc),
|
||
|
|
c2(first, last),
|
||
|
|
c3(first, last, kc);
|
||
|
|
|
||
|
|
p = c.upper_bound(k);
|
||
|
|
p = c.lower_bound(k);
|
||
|
|
r = c.equal_range(k);
|
||
|
|
|
||
|
|
c.insert(p, t);
|
||
|
|
|
||
|
|
ignore_unused_variable_warning(c);
|
||
|
|
ignore_unused_variable_warning(c2);
|
||
|
|
ignore_unused_variable_warning(c3);
|
||
|
|
const_constraints(c);
|
||
|
|
}
|
||
|
|
|
||
|
|
void const_constraints(const C& c)
|
||
|
|
{
|
||
|
|
kc = c.key_comp();
|
||
|
|
vc = c.value_comp();
|
||
|
|
|
||
|
|
cp = c.upper_bound(k);
|
||
|
|
cp = c.lower_bound(k);
|
||
|
|
cr = c.equal_range(k);
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
typename C::key_compare kc;
|
||
|
|
typename C::value_compare vc;
|
||
|
|
typename C::value_type t;
|
||
|
|
typename C::key_type k;
|
||
|
|
typedef typename C::iterator iterator;
|
||
|
|
typedef typename C::const_iterator const_iterator;
|
||
|
|
|
||
|
|
typedef SortedAssociativeContainer self;
|
||
|
|
iterator p;
|
||
|
|
const_iterator cp;
|
||
|
|
std::pair<typename self::iterator,typename self::iterator> r;
|
||
|
|
std::pair<typename self::const_iterator,typename self::const_iterator> cr;
|
||
|
|
typename C::value_type* first, *last;
|
||
|
|
};
|
||
|
|
|
||
|
|
// HashedAssociativeContainer
|
||
|
|
|
||
|
|
BOOST_concept(Collection,(C))
|
||
|
|
{
|
||
|
|
BOOST_CONCEPT_USAGE(Collection)
|
||
|
|
{
|
||
|
|
boost::function_requires<boost::InputIteratorConcept<iterator> >();
|
||
|
|
boost::function_requires<boost::InputIteratorConcept<const_iterator> >();
|
||
|
|
boost::function_requires<boost::CopyConstructibleConcept<value_type> >();
|
||
|
|
const_constraints(c);
|
||
|
|
i = c.begin();
|
||
|
|
i = c.end();
|
||
|
|
c.swap(c);
|
||
|
|
}
|
||
|
|
|
||
|
|
void const_constraints(const C& cc) {
|
||
|
|
ci = cc.begin();
|
||
|
|
ci = cc.end();
|
||
|
|
n = cc.size();
|
||
|
|
b = cc.empty();
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
typedef typename C::value_type value_type;
|
||
|
|
typedef typename C::iterator iterator;
|
||
|
|
typedef typename C::const_iterator const_iterator;
|
||
|
|
typedef typename C::reference reference;
|
||
|
|
typedef typename C::const_reference const_reference;
|
||
|
|
// typedef typename C::pointer pointer;
|
||
|
|
typedef typename C::difference_type difference_type;
|
||
|
|
typedef typename C::size_type size_type;
|
||
|
|
|
||
|
|
C c;
|
||
|
|
bool b;
|
||
|
|
iterator i;
|
||
|
|
const_iterator ci;
|
||
|
|
size_type n;
|
||
|
|
};
|
||
|
|
} // namespace boost
|
||
|
|
|
||
|
|
#if (defined _MSC_VER)
|
||
|
|
# pragma warning( pop )
|
||
|
|
#endif
|
||
|
|
|
||
|
|
# include <boost/concept/detail/concept_undef.hpp>
|
||
|
|
|
||
|
|
#endif // BOOST_CONCEPT_CHECKS_HPP
|
||
|
|
|