syntax_data: {"ast_node_type":"other","tokens":[{"end":40,"kind":"keyword","start":0,"text":"transform_gen_context(body);"}]}
source_snippet:             transform_gen_context(body);
context_before:         if matches!(coroutine_kind, CoroutineKind::Desugared(CoroutineDesugaring::Gen, _)) {
context_after:         }