Add specific message for tuple struct invoked with suffixed numeric field name

2019-03-26 12:32:32 -07:00
parent 1bb3694b1a
commit 8d1cc72cf9
3 changed files with 21 additions and 2 deletions
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -2491,7 +2491,8 @@ impl<'a> Parser<'a> {
    }

    fn parse_field_name(&mut self) -> PResult<'a, Ident> {
-        if let token::Literal(token::Integer(name), None) = self.token {
+        if let token::Literal(token::Integer(name), suffix) = self.token {
+            self.expect_no_suffix(self.span, "a tuple index", suffix);
            self.bump();
            Ok(Ident::new(name, self.prev_span))
        } else {