syntax_data: {"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // is a `Vec<Bar>` and `Bar` does not implement `Clone`. If
context_before:         // and we were to see some code `foo.push_clone()` where `boo`
context_after:         // we were to winnow, we'd wind up with zero candidates.