|  | //@ check-pass | 
|  | //@ force-host | 
|  | //@ no-prefer-dynamic | 
|  | //@ compile-flags: --crate-type proc-macro | 
|  |  | 
|  | #![deny(rustdoc::broken_intra_doc_links)] | 
|  |  | 
|  | extern crate proc_macro; | 
|  | use proc_macro::*; | 
|  |  | 
|  | /// [`Unpin`] | 
|  | #[proc_macro_derive(F)] | 
|  | pub fn derive_(t: proc_macro::TokenStream) -> proc_macro::TokenStream { | 
|  | t | 
|  | } | 
|  |  | 
|  | /// [`Vec`] | 
|  | #[proc_macro_attribute] | 
|  | pub fn attr(t: proc_macro::TokenStream, _: proc_macro::TokenStream) -> proc_macro::TokenStream { | 
|  | t | 
|  | } | 
|  |  | 
|  | /// [`std::fs::File`] | 
|  | #[proc_macro] | 
|  | pub fn func(t: proc_macro::TokenStream) -> proc_macro::TokenStream { | 
|  | t | 
|  | } |