{"ast_node_type":"variable","tokens":[{"end":63,"kind":"keyword","start":0,"text":"&&"}]}
        && let ty::FnDef(def_id, fn_args) = *const_.ty().kind()
        && let Operand::Constant(box ConstOperand { const_, .. }) = func
        && let Some(item) = tcx.opt_associated_item(def_id)