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https://github.com/rust-lang/rust
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19 lines
521 B
Rust
19 lines
521 B
Rust
//@ force-host
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//@ no-prefer-dynamic
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#![crate_type = "proc-macro"]
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#![feature(proc_macro_quote)]
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extern crate proc_macro;
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use proc_macro::{quote, Ident, Span, TokenStream, TokenTree};
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#[proc_macro_attribute]
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pub fn struct_with_bound(_: TokenStream, _: TokenStream) -> TokenStream {
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let crate_ident = TokenTree::Ident(Ident::new("crate", Span::call_site()));
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let trait_ident = TokenTree::Ident(Ident::new("MyTrait", Span::call_site()));
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quote!(
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struct Foo<T: $crate_ident::$trait_ident> {}
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)
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}
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