mirror of https://github.com/rust-lang/rust.git
15 lines
299 B
Rust
15 lines
299 B
Rust
//@ force-host
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//@ no-prefer-dynamic
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#![crate_type = "proc-macro"]
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extern crate proc_macro;
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use proc_macro::*;
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#[proc_macro_attribute]
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pub fn duplicate(_: TokenStream, input: TokenStream) -> TokenStream {
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let clone = input.clone();
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input.into_iter().chain(clone.into_iter()).collect()
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}
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