// force-host // no-prefer-dynamic #![crate_type = "proc-macro"] #![feature(proc_macro_quote)] extern crate proc_macro; use proc_macro::{quote, Ident, Span, TokenStream, TokenTree}; #[proc_macro_attribute] pub fn struct_with_bound(_: TokenStream, _: TokenStream) -> TokenStream { let crate_ident = TokenTree::Ident(Ident::new("crate", Span::call_site())); let trait_ident = TokenTree::Ident(Ident::new("MyTrait", Span::call_site())); quote!( struct Foo {} ) }