Unofficial iterated prisoner’s dilemma “competition” planning

Here I will announce plans for the unofficial iterated prisoners dilemma “competition”. From now on I plan to host these biannually (twice a year), one in June and one in December. So this one will open on June 1. I plan to have some programming languages to rotate through. This one will be using

language

Rust

and I have yet to decide on the submission format. I’m thinking a trait. And maybe side effects will be allowed this time.

dangit

What