https://doc.rust-lang.org/beta/nightly-rustc/rustc_hir/attrs/trait.PrintAttribute.html
PrintAttribute in rustc_hir::attrs - Rust
This trait is used to print attributes in `rustc_hir_pretty`.
rustchirattrs
https://doc.rust-lang.org/stable/nightly-rustc/rustc_hir/attrs/trait.PrintAttribute.html
PrintAttribute in rustc_hir::attrs - Rust
This trait is used to print attributes in `rustc_hir_pretty`.
rustchirattrs