Wandbox

Ran/Viewed Log

Author

anonymous

over 4 years ago

Language

C++

Compiler

gcc 9.3.0

Options

Warnings

Boost 1.72.0

C++11

no pedantic

Author

anonymous

over 4 years ago

$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.72.0/gcc-9.3.0/include -std=c++11

prog.cc: In function 'int main()':
prog.cc:44:14: error: invalid initialization of reference of type 'const B<A>&' from expression of type 'B<A_derived1>'
   44 |     displayB(b1);
      |              ^~
prog.cc:28:28: note: in passing argument 1 of 'void displayB(const B<A>&)'
   28 | void displayB(const B<A> & b){
      |               ~~~~~~~~~~~~~^
prog.cc:45:14: error: invalid initialization of reference of type 'const B<A>&' from expression of type 'B<A_derived2>'
   45 |     displayB(b2);
      |              ^~
prog.cc:28:28: note: in passing argument 1 of 'void displayB(const B<A>&)'
   28 | void displayB(const B<A> & b){
      |               ~~~~~~~~~~~~~^

Exit Code:

1