more powerful code generation, there is a [new chapter available][proc-macros]
in Rust Programming Language book that goes further in depth.
- [You can now use keywords as identifiers using the raw identifiers
- syntax (`r#`).][53236] e.g. `let r#bool = true;`
+ syntax (`r#`).][53236] e.g. `let r#for = true;`
- [Using anonymous parameters in traits is now deprecated with a warning and
will be a hard error in the 2018 edition.][53272]
- [You can now use `crate` in paths.][54404] This allows you to refer to the