Author
anonymous
about 10 years ago
Language
Compiler
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Author
anonymous
about 10 years ago
$ prog.cc: In member function 'void A::f(const string&) const':
prog.cc:11:45: error: passing 'const std::map<std::__cxx11::basic_string<char>, double>' as 'this' argument discards qualifiers [-fpermissive]
cout << "m[" << key << "]=" << m[key] << endl;
^
In file included from /usr/local/gcc-head/include/c++/6.0.0/map:61:0,
from prog.cc:2:
/usr/local/gcc-head/include/c++/6.0.0/bits/stl_map.h:474:7: note: in call to 'std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](const key_type&) [with _Key = std::__cxx11::basic_string<char>; _Tp = double; _Compare = std::less<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, double> >; std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type = double; std::map<_Key, _Tp, _Compare, _Alloc>::key_type = std::__cxx11::basic_string<char>]'
operator[](const key_type& __k)
^~~~~~~~
prog.cc: In function 'int main()':
prog.cc:25:9: error: no matching function for call to 'A::f()'
a.f();
^
prog.cc:9:10: note: candidate: void A::f(const string&) const
void f(const string& key) const
^
prog.cc:9:10: note: candidate expects 1 argument, 0 provided
Exit Code:
1