syntax_data: {"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"MaybeReachable::Unreachable"}]}
source_snippet:             MaybeReachable::Unreachable => MaybeReachable::Unreachable,
context_before:             MaybeReachable::Reachable(x) => MaybeReachable::Reachable(x.clone()),
context_after:         }