diff options
| -rw-r--r-- | tests/ui-fulldeps/pprust-parenthesis-insertion.rs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tests/ui-fulldeps/pprust-parenthesis-insertion.rs b/tests/ui-fulldeps/pprust-parenthesis-insertion.rs index 6ac079ae434..346b8ed5fda 100644 --- a/tests/ui-fulldeps/pprust-parenthesis-insertion.rs +++ b/tests/ui-fulldeps/pprust-parenthesis-insertion.rs @@ -92,6 +92,15 @@ static EXPRS: &[&str] = &[ "#[attr] loop {}.field", "(#[attr] loop {}).field", "loop { #![attr] }.field", + // Attributes on a Binary, Cast, Assign, AssignOp, and Range expression + // require parentheses. Without parentheses `#[attr] lo..hi` means + // `(#[attr] lo)..hi`, and `#[attr] ..hi` is invalid syntax. + "#[attr] (1 + 1)", + "#[attr] (1 as T)", + "#[attr] (x = 1)", + "#[attr] (x += 1)", + "#[attr] (lo..hi)", + "#[attr] (..hi)", // Grammar restriction: break value starting with a labeled loop is not // allowed, except if the break is also labeled. "break 'outer 'inner: loop {} + 2", |