Rust looks like a very popular choice this year: https://aocweb.yulrizka.com/?year=2021&day=1&language=Rust https://aocweb.yulrizka.com/?year=2021&day=1&languag

Rust looks like a very popular choice this year: https://aocweb.yulrizka.com/?year=2021&day=1&language=Rust https://aocweb.yulrizka.com/?year=2021&day=1&language=Rust