{"ast_node_type":"other","tokens":[{"end":47,"kind":"keyword","start":0,"text":"ty::Closure(..)"}]}
        ty::Closure(..) => ExternAbi::RustCall,
        ty::FnDef(..) => body_ty.fn_sig(tcx).abi(),
        ty::CoroutineClosure(..) => ExternAbi::RustCall,