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[rust.git] / src / tools / clippy / tests / ui / needless_pass_by_value_proc_macro.rs
1 #![crate_type = "proc-macro"]
2 #![warn(clippy::needless_pass_by_value)]
3
4 extern crate proc_macro;
5
6 use proc_macro::TokenStream;
7
8 #[proc_macro_derive(Foo)]
9 pub fn foo(_input: TokenStream) -> TokenStream {
10     unimplemented!()
11 }
12
13 #[proc_macro]
14 pub fn bar(_input: TokenStream) -> TokenStream {
15     unimplemented!()
16 }
17
18 #[proc_macro_attribute]
19 pub fn baz(_args: TokenStream, _input: TokenStream) -> TokenStream {
20     unimplemented!()
21 }