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// force-host
// no-prefer-dynamic
#![feature(proc_macro_quote)]
#![crate_type = "proc-macro"]
extern crate proc_macro;
use proc_macro::*;
// Outputs another copy of the struct. Useful for testing the tokens
// seen by the proc_macro.
#[proc_macro_derive(Double)]
pub fn derive(input: TokenStream) -> TokenStream {
quote!(mod foo { $input })
}
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