{"ast_node_type":"other","tokens":[{"end":29,"kind":"keyword","start":0,"text":"///"}]}
    /// cannot have bindings.
    /// visited. If they're all never patterns we visit nothing, which is ok since a never pattern
    pub fn each_binding_or_first(&self, f: &mut impl FnMut(hir::BindingMode, HirId, Span, Ident)) {