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Diffstat (limited to 'tests/ui/proc-macro/auxiliary/double.rs')
-rw-r--r-- | tests/ui/proc-macro/auxiliary/double.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/proc-macro/auxiliary/double.rs b/tests/ui/proc-macro/auxiliary/double.rs new file mode 100644 index 000000000..99eb4e375 --- /dev/null +++ b/tests/ui/proc-macro/auxiliary/double.rs @@ -0,0 +1,16 @@ +// 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 }) +} |