{"ast_node_type":"other","tokens":[{"end":32,"kind":"keyword","start":0,"text":".unwrap_or_else(||"}]}
            .unwrap_or_else(|| {
            .and_then(|arg_hir_ty| self.highlight_if_we_can_match_hir_ty(fr, arg_ty, arg_hir_ty))
                // `highlight_if_we_cannot_match_hir_ty` needs to know the number we will give to