implement RFC amendment 1494

2016-02-08 21:47:57 -05:00 · 2016-02-08 21:47:57 -05:00 · 01aebf01bc
commit 01aebf01bc
parent 526f2bf5c5
3 changed files with 7 additions and 4 deletions
--- a/src/libsyntax/ext/tt/macro_rules.rs
+++ b/src/libsyntax/ext/tt/macro_rules.rs
@ -1014,6 +1014,7 @@ fn is_in_follow(_: &ExtCtxt, tok: &Token, frag: &str) -> Result<bool, String> {
                match *tok {
                    OpenDelim(token::DelimToken::Brace) | OpenDelim(token::DelimToken::Bracket) |
                    Comma | FatArrow | Colon | Eq | Gt | Semi | BinOp(token::Or) => Ok(true),
+                    MatchNt(_, ref frag, _, _) if frag.name.as_str() == "block" => Ok(true),
                    Ident(i, _) if (i.name.as_str() == "as" ||
                                    i.name.as_str() == "where") => Ok(true),
                    _ => Ok(false)