View Compilation Error

0_0_36471937_6640.cpp: In function 'int main()':
0_0_36471937_6640.cpp:45:20: error: expected unqualified-id before '[' token
         for (auto &[t, lst] : diag){
                    ^
0_0_36471937_6640.cpp:45:20: error: expected ';' before '[' token
0_0_36471937_6640.cpp:45:21: error: 't' was not declared in this scope
         for (auto &[t, lst] : diag){
                     ^
0_0_36471937_6640.cpp:45:24: error: 'lst' was not declared in this scope
         for (auto &[t, lst] : diag){
                        ^
0_0_36471937_6640.cpp: In lambda function:
0_0_36471937_6640.cpp:45:29: error: expected '{' before ':' token
         for (auto &[t, lst] : diag){
                             ^
0_0_36471937_6640.cpp: In function 'int main()':
0_0_36471937_6640.cpp:45:29: error: expected ';' before ':' token
0_0_36471937_6640.cpp:45:29: error: expected primary-expression before ':' token
0_0_36471937_6640.cpp:45:29: error: expected ')' before ':' token
0_0_36471937_6640.cpp:45:29: error: expected primary-expression before ':' token