| commit | 1523cd7c1a898f67a68fb8e38aa648b6db84fb9f | [log] [tgz] |
|---|---|---|
| author | David Tolnay <dtolnay@gmail.com> | Wed Jun 26 23:54:19 2019 -0700 |
| committer | David Tolnay <dtolnay@gmail.com> | Wed Jun 26 23:54:25 2019 -0700 |
| tree | d524578da4c348a9988dff02390cdccccaf922fc | |
| parent | 5d00016dfbfca8206801e695e8cb4fdda221e1b9 [diff] |
Explain special treatment for Dollar rule
diff --git a/src/token.rs b/src/token.rs index 8827f0b..3e85363 100644 --- a/src/token.rs +++ b/src/token.rs
@@ -819,6 +819,7 @@ #[cfg(syn_can_match_trailing_dollar)] export_token_macro![($)]; +// Old rustc does not support ($) => {...} as a macro rule. #[cfg(not(syn_can_match_trailing_dollar))] export_token_macro![];