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functional (result_of): Move...

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2010-05-17  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/std/functional (result_of): Move...
	* include/std/type_traits: ... here.
	* testsuite/20_util/declval/requirements/1_neg.cc: Adjust dg-error
	line number.

From-SVN: r159478
This commit is contained in:
Paolo Carlini 2010-05-17 10:19:31 +00:00 • committed by Paolo Carlini
parent 233961db33
commit 1041dabaa2
4 changed files with 22 additions and 13 deletions
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7
libstdc++-v3/ChangeLog
View file

@ -1,3 +1,10 @@
2010-05-17 Paolo Carlini <paolo.carlini@oracle.com>
* include/std/functional (result_of): Move...
* include/std/type_traits: ... here.
* testsuite/20_util/declval/requirements/1_neg.cc: Adjust dg-error
line number.
2010-05-12 Jason Merrill <jason@redhat.com>
* testsuite/20_util/auto_ptr/assign_neg.cc: Expect template

11
libstdc++-v3/include/std/functional
View file

@ -169,17 +169,6 @@ namespace std
: _Weak_result_type_impl<typename remove_cv<_Functor>::type>
{ };
template<typename _Signature>
class result_of;
template<typename _Functor, typename... _ArgTypes>
struct result_of<_Functor(_ArgTypes...)>
{
typedef
decltype( std::declval<_Functor>()(std::declval<_ArgTypes>()...) )
type;
};
/// Determines if the type _Tp derives from unary_function.
template<typename _Tp>
struct _Derives_from_unary_function : __sfinae_types

15
libstdc++-v3/include/std/type_traits
View file

@ -638,7 +638,6 @@ namespace std
typedef typename
common_type<typename common_type<_Tp, _Up>::type, _Vp...>::type type;
};
// @} group metaprogramming
/// declval
template<typename _Tp>
@ -656,6 +655,20 @@ namespace std
"declval() must not be used!");
return __declval_protector<_Tp>::__delegate();
}
/// result_of
template<typename _Signature>
class result_of;
template<typename _Functor, typename... _ArgTypes>
struct result_of<_Functor(_ArgTypes...)>
{
typedef
decltype( std::declval<_Functor>()(std::declval<_ArgTypes>()...) )
type;
};
// @} group metaprogramming
}
#endif // __GXX_EXPERIMENTAL_CXX0X__

2
libstdc++-v3/testsuite/20_util/declval/requirements/1_neg.cc
View file

@ -19,7 +19,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// { dg-error "static assertion failed" "" { target *-*-* } 655 }
// { dg-error "static assertion failed" "" { target *-*-* } 654 }
// { dg-error "instantiated from here" "" { target *-*-* } 30 }
// { dg-excess-errors "In function" }