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:57:28: error: cannot convert 'B<A_derived1>' to 'const B<A>&'
57 | std::cout << c1.result(b1) << std::endl; // error: cannot convert 'B<A_derived1>' to 'const B<A>&'
| ^~
| |
| B<A_derived1>
prog.cc:37:29: note: initializing argument 1 of 'virtual int C_derived1::result(const B<A>&) const'
37 | int result(const B<A> & b) const{ return param_ * b.point() * 3; }
| ~~~~~~~~~~~~~^
prog.cc:58:28: error: cannot convert 'B<A_derived2>' to 'const B<A>&'
58 | std::cout << c1.result(b2) << std::endl;
| ^~
| |
| B<A_derived2>
prog.cc:37:29: note: initializing argument 1 of 'virtual int C_derived1::result(const B<A>&) const'
37 | int result(const B<A> & b) const{ return param_ * b.point() * 3; }
| ~~~~~~~~~~~~~^
prog.cc:59:28: error: cannot convert 'B<A_derived1>' to 'const B<A>&'
59 | std::cout << c2.result(b1) << std::endl;
| ^~
| |
| B<A_derived1>
prog.cc:43:29: note: initializing argument 1 of 'virtual int C_derived2::result(const B<A>&) const'
43 | int result(const B<A> & b) const{ return param_ * b.point() * 10; }
| ~~~~~~~~~~~~~^
prog.cc:60:28: error: cannot convert 'B<A_derived2>' to 'const B<A>&'
60 | std::cout << c2.result(b2) << std::endl;
| ^~
| |
| B<A_derived2>
prog.cc:43:29: note: initializing argument 1 of 'virtual int C_derived2::result(const B<A>&) const'
43 | int result(const B<A> & b) const{ return param_ * b.point() * 10; }
| ~~~~~~~~~~~~~^
Exit Code:
1