Author
anonymous
over 7 years ago
Language
Compiler
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Author
anonymous
over 7 years ago
$ prog.cc: In function 'int main()':
prog.cc:17:89: error: cannot call function 'Iterator find_if(Iterator, Iterator, F) [with Iterator = __gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > >; F = main()::<lambda(const auto:1&)>]'
find_if(vs.begin(), vs.end(), [](auto const& s) -> decltype(s == 2) { return s == 2; }); //2
^
prog.cc:11:10: note: constraints not satisfied
Iterator find_if(Iterator b, Iterator e, F f);
^~~~~~~
prog.cc:6:14: note: within 'template<class F, class ... T> concept const bool Predicate<F, T ...> [with F = main()::<lambda(const auto:1&)>; T = {std::__iterator_traits<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > >, void>::reference}]'
concept bool Predicate = requires(F f, T... t) {
^~~~~~~~~
prog.cc:6:14: note: with 'main()::<lambda(const auto:1&)> f'
prog.cc:6:14: note: with 'std::__cxx11::basic_string<char>& t#0'
prog.cc:6:14: note: the required expression 'f(t ...)' would be ill-formed
Exit Code:
1