[C++] token 요약 Token Class Examples Indentifier vector, foo_bar, x3 Keyword int, for, virtual Character literal 'x', '\n', 'U' Integer literal 12, 012, 0x12 Floating-point literal 1.2, 1.2e-3, 1.2L String literal "Hello!", R"("World"!)" Operator +=, %, Program Language/C & C++ 2022.01.06