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extern crate proc_macro;
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use proc_macro::TokenStream;
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#[proc_macro_derive(Foo)]
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pub fn foo(a: TokenStream) -> TokenStream {
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"".parse().unwrap()
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}
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#[proc_macro_derive(Bar, attributes(custom))]
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pub fn bar(a: TokenStream) -> TokenStream {
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"".parse().unwrap()
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}
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