Rust 20 18 Edition - What's Changed?

A rust edition is an opportunity for backwards incompatible changes to be included. If you opped into a new edition, your old code will actually still continue to compile. There were several changes made in 20 18. The 20 21 edition con av just add even justaad extra polish. For example, the ability for you to have a conversion operation that may fail, so instead of crashing on you, it will tunes.