syntax_data: {"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                     // `Bar<T>: Send` is resolved to `EvaluatedToOk`, it can be
context_before:                     // `EvaluatedToOk`, since it's coinductive. Then if
context_after:                     // inserted into a cache (because without thinking about `WF`