Created
January 1, 2014 02:51
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clang++ -std=c++11 -Wall -Wextra -stdlib=libc++ -O2 tuple.cc -o tuple.out
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| #include <tuple> | |
| #include <memory> | |
| int main(void){ | |
| using namespace std; | |
| tuple<unique_ptr<char []>> b; | |
| } |
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➜ cplusplus git:(master) ✗ clang++ -std=c++11 -Wall -Wextra -stdlib=libc++ -O2 tuple.cc -o tuple.out
In file included from tuple.cc:2:
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/c++/v1/memory:918:22: error: implicit instantiation of undefined template
'std::__1::__pointer_traits_element_type<std::__1::__tuple_leaf<0, std::__1::unique_ptr<char [], std::__1::default_delete<char []> >, false>, false>'
typedef typename __pointer_traits_element_type::type element_type;
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/c++/v1/memory:2451:54: note: in instantiation of template class
'std::__1::pointer_traits<std::__1::__tuple_leaf<0, std::__1::unique_ptr<char [], std::__1::default_delete<char []> >, false> >' requested here
bool = is_same<typename remove_cv<typename pointer_traits<_Ptr1>::element_type>::type,
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/c++/v1/memory:2465:7: note: in instantiation of default argument for
'__same_or_less_cv_qualified_imp<std::__1::__tuple_leaf<0, std::__1::unique_ptr<char [], std::__1::default_delete<char []> >, false>, char *>' required here
: __same_or_less_cv_qualified_imp<_Ptr1, _Ptr2> {};
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/c++/v1/memory:2732:42: note: in instantiation of template class
'std::__1::__same_or_less_cv_qualified<std::__1::__tuple_leaf<0, std::__1::unique_ptr<char [], std::__1::default_delete<char []> >, false>, char *, false>' requested here
class = typename enable_if<__same_or_less_cv_qualified<_Pp, pointer>::value>::type
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/c++/v1/memory:2734:40: note: in instantiation of default argument for
'unique_ptr<std::__1::__tuple_leaf<0, std::__1::unique_ptr<char [], std::__1::default_delete<char []> >, false> >' required here
_LIBCPP_INLINE_VISIBILITY explicit unique_ptr(_Pp __p) _NOEXCEPT
^~~~~~~~~~
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/c++/v1/memory:2734:40: note: while substituting deduced template arguments into function
template 'unique_ptr' [with _Pp = std::__1::__tuple_leaf<0, std::__1::unique_ptr<char [], std::__1::default_delete<char []> >, false>, $1 = ]
_LIBCPP_INLINE_VISIBILITY explicit unique_ptr(_Pp __p) _NOEXCEPT
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/c++/v1/type_traits:1829:1: note: (skipping 1 context in backtrace; use
-ftemplate-backtrace-limit=0 to see all)
__is_constructible_test(_Tp&&, _Args&& ...);
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/c++/v1/type_traits:1888:14: note: in instantiation of template class
'std::__1::__is_constructible<false, std::__1::unique_ptr<char [], std::__1::default_delete<char []> >, const std::__1::__tuple_leaf<0, std::__1::unique_ptr<char [],
std::__1::default_delete<char []> >, false> &>' requested here
: public __is_constructible<is_scalar<_Tp>::value || is_reference<_Tp>::value,
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/c++/v1/type_traits:1914:14: note: in instantiation of template class
'std::__1::__is_constructible_void_check<false, std::__1::unique_ptr<char [], std::__1::default_delete<char []> >, const std::__1::__tuple_leaf<0, std::__1::unique_ptr<char [],
std::__1::default_delete<char []> >, false> &>' requested here
: public __is_constructible_void_check<__contains_void<_Tp, _Args...>::value
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/c++/v1/tuple:260:42: note: in instantiation of template class
'std::__1::is_constructible<std::__1::unique_ptr<char [], std::__1::default_delete<char []> >, const std::__1::__tuple_leaf<0, std::__1::unique_ptr<char [],
std::__1::default_delete<char []> >, false> &>' requested here
class = typename enable_if<is_constructible<_Hp, _Tp>::value>::type>
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/c++/v1/tuple:262:18: note: in instantiation of default argument for '__tuple_leaf<const
std::__1::__tuple_leaf<0, std::__1::unique_ptr<char [], std::__1::default_delete<char []> >, false> &>' required here
explicit __tuple_leaf(_Tp&& __t) NOEXCEPT((is_nothrow_constructible<_Hp, _Tp>::value))
^~~~~~~~~~~~
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/c++/v1/tuple:262:18: note: while substituting deduced template arguments into function
template '__tuple_leaf' [with _Tp = const std::__1::__tuple_leaf<0, std::__1::unique_ptr<char [], std::__1::default_delete<char []> >, false> &, $1 = ]
explicit __tuple_leaf(_Tp&& __t) NOEXCEPT((is_nothrow_constructible<_Hp, _Tp>::value))
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/c++/v1/memory:704:8: note: template is declared here
struct __pointer_traits_element_type;
^
1 error generated.
➜ cplusplus git:(master) ✗