diff options
Diffstat (limited to 'src/libsyntax')
| -rw-r--r-- | src/libsyntax/parse/parser.rs | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs index b1e1cdee2ee..345464c6664 100644 --- a/src/libsyntax/parse/parser.rs +++ b/src/libsyntax/parse/parser.rs @@ -4719,7 +4719,12 @@ impl<'a> Parser<'a> { if !self.eat(&token::OpenDelim(token::Brace)) { let sp = self.span; let tok = self.this_token_to_string(); + let mut do_not_suggest_help = false; let mut e = self.span_fatal(sp, &format!("expected `{{`, found `{}`", tok)); + if self.token.is_keyword(keywords::In) || self.token == token::Colon { + do_not_suggest_help = true; + e.span_label(sp, "expected `{`"); + } // Check to see if the user has written something like // @@ -4729,7 +4734,8 @@ impl<'a> Parser<'a> { // Which is valid in other languages, but not Rust. match self.parse_stmt_without_recovery(false) { Ok(Some(stmt)) => { - if self.look_ahead(1, |t| t == &token::OpenDelim(token::Brace)) { + if self.look_ahead(1, |t| t == &token::OpenDelim(token::Brace)) + || do_not_suggest_help { // if the next token is an open brace (e.g., `if a b {`), the place- // inside-a-block suggestion would be more likely wrong than right return Err(e); |