I need this for reasons totally unintended by the feature's proposal authors

Games Programmer, Anime fan, General nerd.
Super awkward but trying to improve~ n_n
(Have been advised to add: All views my own)
I need this for reasons totally unintended by the feature's proposal authors
I assure you, unless you are intending to use the 0-argument form of it, that anything you have in mind is not anymore cursed than something I've wanted to do since I first saw C# supported multi-arg subscripting in 2005. Getting that paper over the finish line was hell.