DateTime refactoring
Added std::cref for std::tuple contructor arguments to avoid copying. Benchmark: https://quick-bench.com/q/L_-KwcS3yv-nKR3BrJHtvTvPxgw
Added std::cref for std::tuple contructor arguments to avoid copying. Benchmark: https://quick-bench.com/q/L_-KwcS3yv-nKR3BrJHtvTvPxgw