syntax_data: {"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// such a bound obviously never can be called, but that doesn't mean it shouldn't typecheck.
context_before:     /// because we could be in a type environment with a bound such as `[_]: Copy`. A function with
context_after:     /// This is why this method doesn't return `Option<bool>`.