| error: `proc-macro` crate types cannot export any items other than functions tagged with `#[proc_macro_derive]` currently |
| --> $DIR/pub-at-crate-root.rs:8:1 |
| | |
| LL | / pub mod a { |
| LL | | use proc_macro::TokenStream; |
| LL | | |
| LL | | #[proc_macro_derive(B)] |
| ... | |
| LL | | } |
| LL | | } |
| | |_^ |
| |
| error: functions tagged with `#[proc_macro_derive]` must currently reside in the root of the crate |
| --> $DIR/pub-at-crate-root.rs:12:5 |
| | |
| LL | / pub fn bar(a: TokenStream) -> TokenStream { |
| LL | | |
| LL | | a |
| LL | | } |
| | |_____^ |
| |
| error: functions tagged with `#[proc_macro_derive]` must be `pub` |
| --> $DIR/pub-at-crate-root.rs:19:1 |
| | |
| LL | / fn bar(a: proc_macro::TokenStream) -> proc_macro::TokenStream { |
| LL | | |
| LL | | a |
| LL | | } |
| | |_^ |
| |
| error: aborting due to 3 previous errors |
| |
