{"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"CoroutineSource::Closure"}]}
            CoroutineSource::Closure => crate::mir::CoroutineSource::Closure,
            CoroutineSource::Block => crate::mir::CoroutineSource::Block,
            CoroutineSource::Fn => crate::mir::CoroutineSource::Fn,