syntax_data: {"ast_node_type":"function","tokens":[{"end":51,"kind":"keyword","start":0,"text":"fn"}]}
source_snippet:     fn is_async_drop(&self, local: Local) -> bool {
context_before:     }
context_after:         Self::is_async_drop_impl(self.tcx, &self.local_decls, self.typing_env(), local)