[$] One Sized trait does not fit all
In Rust, types either possess a constant size known at compile time, or a
dynamically calculated size known at
run time. That is fine for most purposes, but recent proposals for the language
have shown the need for a more fine-grained hierarchy.
RFC 3729 from David Wood and Rémy Rakic would add a hierarchy of
traits to describe types with sizes known under different circumstances. While
the idea has been subject … ⌘ Read more