{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"///"}]}
    /// A type ascription (e.g., `x: Foo`). See RFC 3307.
    Cast(&'hir Expr<'hir>, &'hir Ty<'hir>),
    Type(&'hir Expr<'hir>, &'hir Ty<'hir>),