{"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":".unwrap_or_else(||"}]}
                .unwrap_or_else(|| "value".to_string());
                .ty_kind_suggestion(tcx.param_env(assoc.def_id), ty)
            format!("const {}: {} = {};", name, ty, val)