//
// (C) Copyright Jeremy Siek 2000.
+// Copyright 2002 The Trustees of Indiana University.
+//
// 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)
//
// Backward compatibility
//
-
+
template <class Model>
inline void function_requires(Model* = 0)
{
BOOST_CONCEPT_ASSERT((Model));
- }
+ }
template <class T> inline void ignore_unused_variable_warning(T const&) {}
-
+
# define BOOST_CLASS_REQUIRE(type_var, ns, concept) \
BOOST_CONCEPT_ASSERT((ns::concept<type_var>))
# define BOOST_CLASS_REQUIRE4(tv1, tv2, tv3, tv4, ns, concept) \
BOOST_CONCEPT_ASSERT((ns::concept<tv1,tv2,tv3,tv4>))
-
+
//
// Begin concept definitions
//
BOOST_concept(Integer, (T))
{
BOOST_CONCEPT_USAGE(Integer)
- {
+ {
x.error_type_must_be_an_integer_type();
}
private:
T x;
};
+ template <> struct Integer<char> {};
template <> struct Integer<signed char> {};
template <> struct Integer<unsigned char> {};
template <> struct Integer<short> {};
# endif
BOOST_concept(SignedInteger,(T)) {
- BOOST_CONCEPT_USAGE(SignedInteger) {
+ BOOST_CONCEPT_USAGE(SignedInteger) {
x.error_type_must_be_a_signed_integer_type();
}
private:
template <> struct SignedInteger< ::boost::long_long_type> {};
# elif defined(BOOST_HAS_MS_INT64)
template <> struct SignedInteger<__int64> {};
-# endif
+# endif
BOOST_concept(UnsignedInteger,(T)) {
- BOOST_CONCEPT_USAGE(UnsignedInteger) {
+ BOOST_CONCEPT_USAGE(UnsignedInteger) {
x.error_type_must_be_an_unsigned_integer_type();
}
private:
T x;
};
-
+
template <> struct UnsignedInteger<unsigned char> {};
template <> struct UnsignedInteger<unsigned short> {};
template <> struct UnsignedInteger<unsigned int> {};
{
BOOST_CONCEPT_USAGE(Assignable) {
#if !defined(_ITERATOR_) // back_insert_iterator broken for VC++ STL
- a = a; // require assignment operator
+ a = b; // require assignment operator
#endif
- const_constraints(a);
+ const_constraints(b);
}
private:
- void const_constraints(const TT& b) {
+ void const_constraints(const TT& x) {
#if !defined(_ITERATOR_) // back_insert_iterator broken for VC++ STL
- a = b; // const required for argument to assignment
+ a = x; // const required for argument to assignment
+#else
+ ignore_unused_variable_warning(x);
#endif
}
private:
TT a;
+ TT b;
};
-
+
BOOST_concept(CopyConstructible,(TT))
{
BOOST_CONCEPT_USAGE(CopyConstructible) {
TT b;
};
+#if (defined _MSC_VER)
+# pragma warning( push )
+# pragma warning( disable : 4510 ) // default constructor could not be generated
+# pragma warning( disable : 4610 ) // object 'class' can never be instantiated - user-defined constructor required
+#endif
// The SGI STL version of Assignable requires copy constructor and operator=
BOOST_concept(SGIAssignable,(TT))
{
BOOST_CONCEPT_USAGE(SGIAssignable) {
- TT b(a);
+ TT c(a);
#if !defined(_ITERATOR_) // back_insert_iterator broken for VC++ STL
- a = a; // require assignment operator
+ a = b; // require assignment operator
#endif
- const_constraints(a);
- ignore_unused_variable_warning(b);
+ const_constraints(b);
+ ignore_unused_variable_warning(c);
}
private:
- void const_constraints(const TT& b) {
- TT c(b);
+ void const_constraints(const TT& x) {
+ TT c(x);
#if !defined(_ITERATOR_) // back_insert_iterator broken for VC++ STL
- a = b; // const required for argument to assignment
+ a = x; // const required for argument to assignment
#endif
ignore_unused_variable_warning(c);
}
TT a;
+ TT b;
};
+#if (defined _MSC_VER)
+# pragma warning( pop )
+#endif
BOOST_concept(Convertible,(X)(Y))
{
BOOST_concept(Generator,(Func)(Return))
{
BOOST_CONCEPT_USAGE(Generator) { test(is_void<Return>()); }
-
+
private:
void test(boost::mpl::false_)
{
{
f();
}
-
+
Func f;
};
BOOST_concept(UnaryFunction,(Func)(Return)(Arg))
{
BOOST_CONCEPT_USAGE(UnaryFunction) { test(is_void<Return>()); }
-
+
private:
void test(boost::mpl::false_)
{
f(arg); // "priming the pump" this way keeps msvc6 happy (ICE)
Return r = f(arg);
- ignore_unused_variable_warning(r);
+ ignore_unused_variable_warning(r);
}
-
+
void test(boost::mpl::true_)
{
f(arg);
}
-
+
+#if (BOOST_WORKAROUND(__GNUC__, BOOST_TESTED_AT(4) \
+ && BOOST_WORKAROUND(__GNUC__, > 3)))
+ // Declare a dummy construktor 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::UnaryFunction<YourClassHere>::arg"
+ // in class without a constructor [-Wuninitialized])
+ UnaryFunction();
+#endif
+
Func f;
Arg arg;
};
Return r = f(first, second); // require operator()
(void)r;
}
-
+
void test(boost::mpl::true_)
{
f(first,second);
}
-
+
+#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::BinaryFunction<YourClassHere>::arg"
+ // in class without a constructor [-Wuninitialized])
+ BinaryFunction();
+#endif
+
Func f;
First first;
Second second;
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;
};
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;
BOOST_concept(Const_BinaryPredicate,(Func)(First)(Second))
: BinaryPredicate<Func, First, Second>
{
- BOOST_CONCEPT_USAGE(Const_BinaryPredicate) {
+ BOOST_CONCEPT_USAGE(Const_BinaryPredicate) {
const_constraints(f);
}
private:
// 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;
: Generator<Func, typename Func::result_type>
{
typedef typename Func::result_type result_type;
-
+
BOOST_CONCEPT_USAGE(AdaptableGenerator)
{
BOOST_CONCEPT_ASSERT((Convertible<result_type, Return>));
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((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
: Assignable<TT>
{
BOOST_CONCEPT_USAGE(OutputIterator) {
-
+
++i; // require preincrement operator
i++; // require postincrement operator
*i++ = t; // require postincrement and assignment
BOOST_DEDUCED_TYPENAME ForwardIterator::iterator_category
, std::forward_iterator_tag
>));
-
+
typename InputIterator<TT>::reference r = *i;
ignore_unused_variable_warning(r);
}
-
+
private:
TT i;
};
n = i - j; // require difference operator
(void)i[n]; // require element access operator
}
-
+
private:
TT a, b;
TT i, j;
BOOST_CONCEPT_ASSERT((InputIterator<const_iterator>));
const_constraints(c);
}
-
+
private:
void const_constraints(const C& cc) {
i = cc.begin();
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;
typename ForwardContainer::const_iterator
>));
}
- };
+ };
BOOST_concept(Mutable_ForwardContainer,(C))
: ForwardContainer<C>
typename Mutable_ForwardContainer::iterator
>));
}
- };
+ };
BOOST_concept(ReversibleContainer,(C))
: ForwardContainer<C>
BOOST_CONCEPT_ASSERT((
BidirectionalIterator<
typename ReversibleContainer::const_iterator>));
-
+
BOOST_CONCEPT_ASSERT((BidirectionalIterator<const_reverse_iterator>));
-
+
const_constraints(c);
}
private:
, 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:
+ private:
C c;
};
RandomAccessIterator<
typename RandomAccessContainer::const_iterator
>));
-
+
const_constraints(c);
}
private:
const_reference r = cc[n];
ignore_unused_variable_warning(r);
}
-
+
C c;
size_type n;
};
{
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;
{
BOOST_CONCEPT_USAGE(Sequence)
{
- S
+ S
c(n),
c2(n, t),
c3(first, last);
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;
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:
BOOST_CONCEPT_USAGE(UniqueAssociativeContainer)
{
C c(first, last);
-
+
pos_flag = c.insert(t);
c.insert(first, last);
BOOST_CONCEPT_USAGE(MultipleAssociativeContainer)
{
C c(first, last);
-
+
pos = c.insert(t);
c.insert(first, last);
{
BOOST_CONCEPT_USAGE(SortedAssociativeContainer)
{
- C
+ 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();
cp = c.lower_bound(k);
cr = c.equal_range(k);
}
-
+
private:
typename C::key_compare kc;
typename C::value_compare vc;
// 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
# include <boost/concept/detail/concept_undef.hpp>
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