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Diffstat (limited to 'src/libsyntax_ext/proc_macro_server.rs')
| -rw-r--r-- | src/libsyntax_ext/proc_macro_server.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsyntax_ext/proc_macro_server.rs b/src/libsyntax_ext/proc_macro_server.rs index 699539b62f5..4c4b33c0442 100644 --- a/src/libsyntax_ext/proc_macro_server.rs +++ b/src/libsyntax_ext/proc_macro_server.rs @@ -69,7 +69,7 @@ impl FromInternal<(TreeAndJoint, &'_ ParseSess, &'_ mut Vec<Self>)> }; macro_rules! tt { - ($ty:ident { $($field:ident $(: $value:expr)*),+ $(,)* }) => ( + ($ty:ident { $($field:ident $(: $value:expr)*),+ $(,)? }) => ( TokenTree::$ty(self::$ty { $($field $(: $value)*,)* span, |