syntax_data: {"ast_node_type":"function","tokens":[{"end":57,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// For example, consider `for<T> fn foo<T>(){ .. }`:
context_before:     ///
context_after:     /// - Outside of `foo`, `T` is bound (represented by the presence of `EarlyBinder`).