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Diffstat (limited to 'crates/syntax/src/ast/node_ext.rs')
| -rw-r--r-- | crates/syntax/src/ast/node_ext.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/crates/syntax/src/ast/node_ext.rs b/crates/syntax/src/ast/node_ext.rs index 3308077da5..691d0c618f 100644 --- a/crates/syntax/src/ast/node_ext.rs +++ b/crates/syntax/src/ast/node_ext.rs @@ -61,6 +61,14 @@ impl ast::BlockExpr { pub fn tail_expr(&self) -> Option<ast::Expr> { self.stmt_list()?.tail_expr() } + /// Block expressions accept outer and inner attributes, but only when they are the outer + /// expression of an expression statement or the final expression of another block expression. + pub fn may_carry_attributes(&self) -> bool { + matches!( + self.syntax().parent().map(|it| it.kind()), + Some(SyntaxKind::BLOCK_EXPR | SyntaxKind::EXPR_STMT) + ) + } } #[derive(Debug, PartialEq, Eq, Clone)] |