{"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"///"}]}
    /// as it simplifies the type coercion machinery.
    /// Note that using an `Expr` instead of a `Block` for the "then" part is intentional,
    If(&'hir Expr<'hir>, &'hir Expr<'hir>, Option<&'hir Expr<'hir>>),