syntax_data: {"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// Bound regions inside of types **must not** be erased, as they impact trait
context_before:     ///
context_after:     /// selection and the `TypeId` of that type. `for<'a> fn(&'a ())` and