Parameter hints

[slifin]

https://blog.jetbrains.com/phpstorm/2017/03/new-in-phpstorm-2017-1-parameter-hints/

[FichteFoll]

Saw this already and quite an interesting concept. Should be possible with jedi or some language server protocol implementation. Though it makes you dependant on the ide/editor more or less since you could be using explicit argument specifications as well.