[nightfly]

>Some new language features are heaven, but when your compiler hasn't implemented them yet, suddenly you're in hell

So I pick up a Rust project about once a year, and I always try and keep with stable releases. Yet every project I find some small should-be-obvious thing that's nightly only, and I either have to swallow my frustrations and find a work-around or switch to nightly for the project -_-

[steveklabnik]

Which things have you run into lately? Just curious!