[Pedro_Ribeiro]

Isn't his point exactly that we don't want to have too many function colors and instead want a generic way of declaring side effects so people can do what they want (be it try fns, IO, async, etc..., no panicking)?

[zamalek]

From the article:

> And on nightly it also has support for try fn and gen fn.

I haven't been able to figure out what a try fn is.