diff options
| -rw-r--r-- | src/libproc_macro/lib.rs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libproc_macro/lib.rs b/src/libproc_macro/lib.rs index 3c5d6aceca9..12ed4fba402 100644 --- a/src/libproc_macro/lib.rs +++ b/src/libproc_macro/lib.rs @@ -375,6 +375,7 @@ impl Literal { } /// An iterator over `TokenTree`s. +#[derive(Clone)] #[unstable(feature = "proc_macro", issue = "38356")] pub struct TokenTreeIter { cursor: tokenstream::Cursor, |