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-rw-r--r--src/test/ui/proc-macro/auxiliary/lifetimes-rpass.rs26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/test/ui/proc-macro/auxiliary/lifetimes-rpass.rs b/src/test/ui/proc-macro/auxiliary/lifetimes-rpass.rs
new file mode 100644
index 000000000..4e5d22e6e
--- /dev/null
+++ b/src/test/ui/proc-macro/auxiliary/lifetimes-rpass.rs
@@ -0,0 +1,26 @@
+// force-host
+// no-prefer-dynamic
+
+#![crate_type = "proc-macro"]
+
+extern crate proc_macro;
+
+use proc_macro::*;
+
+#[proc_macro]
+pub fn lifetimes_bang(input: TokenStream) -> TokenStream {
+ // Roundtrip through token trees
+ input.into_iter().collect()
+}
+
+#[proc_macro_attribute]
+pub fn lifetimes_attr(_: TokenStream, input: TokenStream) -> TokenStream {
+ // Roundtrip through AST
+ input
+}
+
+#[proc_macro_derive(Lifetimes)]
+pub fn lifetimes_derive(input: TokenStream) -> TokenStream {
+ // Roundtrip through a string
+ format!("mod m {{ {} }}", input).parse().unwrap()
+}