* Move `IntoResponse` to axum-core
* Move `FromRequest` to axum-core
* some clean up
* Remove hyper dependency from axum-core
* Fix docs reference
* Use default
* Update changelog
* Remove mention of default type
* Fix `#[debug_handler]` for multiple extractors
It generated a function for each extractor to check the type but those
functions didn't have unique names.
Fixed by including all idents in the `arg: Extractor` token tree in the
name of the function generated. Not sure there is a simpler way to fix
it.
* just use a counter
* don't need visit feature anymore
* Make `axum-debug` handle more cases
* Only just trybuild tests on stable
* revert changes to hello-world example
* Remove a bit of duplication
* return error on generics
* address review feedback
* Support associated functions with receiver or returns `Self`
* fix indentation
