rust/tests/ui/proc-macro/auxiliary/attr-on-trait.rs

extern crate proc_macro;

use proc_macro::TokenStream;

#[proc_macro_attribute]
pub fn foo(attr: TokenStream, item: TokenStream) -> TokenStream {
    drop(attr);
    assert_eq!(item.to_string(), "fn foo() {}");
    "fn foo(&self);".parse().unwrap()
}
rustc: Fix proc_macro expansions on trait methods This commit fixes procedural macro attributes being attached to trait methods, ensuring that they get resolved and expanded as other procedural macro attributes. The bug here was that `current_module` on the resolver was accidentally set to be a trait when it's otherwise only ever expecting a `mod`/block module. The actual fix here came from @jseyfried, I'm just helping to land it in the compiler! Closes #42493 2017-08-25 20:33:15 +00:00			`extern crate proc_macro;`

			`use proc_macro::TokenStream;`

			`#[proc_macro_attribute]`
			`pub fn foo(attr: TokenStream, item: TokenStream) -> TokenStream {`
			`drop(attr);`
Pretty print empty blocks as {} 2021-12-01 19:45:14 +00:00			`assert_eq!(item.to_string(), "fn foo() {}");`
rustc: Fix proc_macro expansions on trait methods This commit fixes procedural macro attributes being attached to trait methods, ensuring that they get resolved and expanded as other procedural macro attributes. The bug here was that `current_module` on the resolver was accidentally set to be a trait when it's otherwise only ever expecting a `mod`/block module. The actual fix here came from @jseyfried, I'm just helping to land it in the compiler! Closes #42493 2017-08-25 20:33:15 +00:00			`"fn foo(&self);".parse().unwrap()`
			`}`