syntax_data: {"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"///"}]}
source_snippet: /// bound regions: early-bound, which are bound in an item's `Generics`,
context_before: /// with some concrete region before being used. There are two kind of
context_after: /// and are instantiated by an `GenericArgs`, and late-bound, which are part of