{"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":"ty::Closure(..)"}]}
            ty::Closure(..) => ExternAbi::RustCall,
            ty::FnDef(..) => body_ty.fn_sig(self.tcx).abi(),
            ty::Coroutine(..) => ExternAbi::Rust,