Jörg Sommer 116a6f44bc Fix some hints from Rust and clippy ...

* the feature `proc_macro` has been stable since 1.29.0 and no longer
  requires an attribute to enable

* https://rust-lang-nursery.github.io/rust-clippy/v0.0.212/index.html#needless_return

* https://rust-lang-nursery.github.io/rust-clippy/v0.0.212/index.html#len_zero

2018-08-31 13:47:29 +02:00

..

ruma_api_macros.rs

Fix some hints from Rust and clippy

2018-08-31 13:47:29 +02:00