19 lines
519 B
Rust
19 lines
519 B
Rust
|
// 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<T: $crate_ident::$trait_ident> {}
|
||
|
|
)
|
||
|
|
}
|