[T] => Vec<T> It's ~[T] that is now Vec<T>, which was a good change in emphasis (the former is still valid, though it will become Box<[T]> with this RFC). Bes

[T] => Vec<T> It's ~[T] that is now Vec<T>, which was a good change in emphasis (the former is still valid, though it will become Box<[T]> with this RFC). Besides the implementation differences, I think readability is improved when `Vec<T>` is written.