syntax_data: {"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"hir::CoroutineKind::Coroutine(_)"}]}
source_snippet:                 hir::CoroutineKind::Coroutine(_) => {
context_before:                 }
context_after:                     // The signature should be `Coroutine::resume(_, Resume) -> CoroutineState<Yield, Return>`