The :: syntax minimizes the pain, but the fact you have to do it at all is still irritating, and IIUC it incurs a small runtime cost due to the intermediate obj

The :: syntax minimizes the pain, but the fact you have to do it at all is still irritating, and IIUC it incurs a small runtime cost due to the intermediate object that's generated to convert between the two interfaces. I recently cleared out some of these intermediaries in a hot area of code and got a small but significant performance boost.