{"ast_node_type":"function","tokens":[{"end":93,"kind":"keyword","start":0,"text":"fn"}]}
fn expr_require_exclusive_access(ctx: &AssistContext<'_>, expr: &ast::Expr) -> Option<bool> {
/// checks if this expr requires `&mut` access, recurses on field access
    if let ast::Expr::MacroExpr(_) = expr {