Try thinking of it less as a new abstraction and more of removing a restriction from a previous abstraction. It is pretty easy to run into a situation where yo

Try thinking of it less as a new abstraction and more of removing a restriction from a previous abstraction. It is pretty easy to run into a situation where you want them without even knowing what the concept of a GAT is. Rust gets a lot of unfair criticism of "adding new stuff" when a lot of what is "added" is actually removing restrictions and making it where a developer has less to learn.