Wandbox

prog.cc: In lambda function:
prog.cc:37:23: error: passing 'const S' as 'this' argument discards qualifiers [-fpermissive]
             it->set_c();
                       ^
prog.cc:18:10: note:   in call to 'void S::set_c()'
     void set_c() { c = 222; }
          ^~~~~

Exit Code:

1