Author
anonymous
over 7 years ago
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Author
anonymous
over 7 years ago
$ prog.cc:15:17: error: no function template matches function template specialization 'empty'
constexpr auto empty(const dummy::Widget &widget)
^
/opt/wandbox/clang-head/include/c++/v1/iterator:1843:16: note: candidate template ignored: substitution failure [with _Cont = dummy::Widget]: no member named 'empty' in 'dummy::Widget'
constexpr auto empty(const _Cont& __c)
^
/opt/wandbox/clang-head/include/c++/v1/iterator:1850:16: note: candidate template ignored: could not match 'type-parameter-0-0 const[_Np]' against 'const dummy::Widget'
constexpr bool empty(const _Tp (&)[_Sz]) noexcept { return false; }
^
/opt/wandbox/clang-head/include/c++/v1/iterator:1854:16: note: candidate template ignored: could not match 'initializer_list<type-parameter-0-0>' against 'const dummy::Widget &'
constexpr bool empty(initializer_list<_Ep> __il) noexcept { return __il.size() == 0; }
^
prog.cc:22:17: error: no function template matches function template specialization 'size'
constexpr auto size(const dummy::Widget &widget)
^
/opt/wandbox/clang-head/include/c++/v1/iterator:1832:16: note: candidate template ignored: substitution failure [with _Cont = dummy::Widget]: no member named 'size' in 'dummy::Widget'
constexpr auto size(const _Cont& __c)
^
/opt/wandbox/clang-head/include/c++/v1/iterator:1839:18: note: candidate template ignored: could not match 'type-parameter-0-0 const[_Np]' against 'const dummy::Widget'
constexpr size_t size(const _Tp (&)[_Sz]) noexcept { return _Sz; }
^
2 errors generated.
Exit Code:
1