* ci: test each feature individually

* fix nit: --all-targets is an arg

* fix rustdoc link

* get rid of cargo hack test; too slow

* fix(ParamsSer): serialize to empty array

Serialize `ParamsSer::NoParams` to an empty array inorder to comply with the jsonrpc v2 spec.

* fix tests

* remove ParamsSer::NoParams

* address grumbles: adjust rpc params macro

* Add a convenience macro to build `ParamsSer` for use in clients

* Add actual macro

* fmtwtf

* Add license headers where missing and update year

* Update examples/http.rs

Co-authored-by: Niklas Adolfsson <[email protected]>

Co-authored-by: Niklas Adolfsson <[email protected]>

* Doc tweaks

* More tweaks

* Move proc macro code out of the "new" folder

* fmt

* Can't add doc-links to dev-dependencies

* Start working on the new proc macro system

* Add skeleton for rendering

* Improve error reporting

* Main part of 'render_client'

* Implement RPC client generation

* Client successfully rendered

* Add doc-comment generation for the API client

* Check that all the methods have receiver

* Start working on the server impl

* Add helper method to find server crate

* Fix usage of client rpc path

* Decent progress on the server macro implementation

* Server macro compiled successfully

* Remove unneeded re-export

* Insert SubscriptionSink argument to the subscription server signatures

* Add basic doc-comment for the macro

* no_run -> ignore

* Trait with subscription compiles

* Extend the example

* Add integration test for client/server impl

* Add trybuild setup

* Set correct span for attribute parsing related errors

* Add basic set of trybuild tests

* Add tests for client and server generated separately

* Improve proc-macro documentation

* Update proc-macros/src/lib.rs

Co-authored-by: Niklas Adolfsson <[email protected]>

* Fix a couple of bugs in docs

* Fix rendering subscription with params

Co-authored-by: Niklas Adolfsson <[email protected]>