main.cpp:3:13: error: type 'double' cannot be narrowed to 'int' in initializer list [-Wc++11-narrowing]
    int b { 1.2 };  // [2]
            ^~~
main.cpp:3:13: note: insert an explicit cast to silence this issue
    int b { 1.2 };  // [2]
            ^~~
            static_cast<int>( )
main.cpp:3:13: warning: implicit conversion from 'double' to 'int' changes value from 1.2 to 1 [-Wliteral-
conversion]
    int b { 1.2 };  // [2]
          ~ ^~~
main.cpp:5:13: error: cannot initialize a variable of type 'int' with an lvalue of type 'const char [2]'
    int d { "1" };  // [4]
            ^~~
1 warning and 2 errors generated.