Owl Get a Life

Compile Error

sumint.cpp: In function ‘int main()’:
sumint.cpp:9:10: error: overloaded function with no contextual type information
9 | abs += x;
| ^
sumint.cpp:11:6: error: no match for ‘operator<<’ (operand types are ‘std::ostream’ {aka ‘std::basic_ostream<char>’} and ‘<unresolved overloaded function type>’)
11 | cout << abs;
| ~~~~~^~~~~~
In file included from /usr/include/c++/9/iostream:39,
from sumint.cpp:1:
/usr/include/c++/9/ostream:108:7: note: candidate: ‘std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>::__ostream_type& (*)(std::basic_ostream<_CharT, _Traits>::__ostream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>]’
108 | operator<<(__ostream_type&