syntax_data: {"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// For example, if this is a projection of `<T as StreamingIterator>::Item<'a>`,
context_before:     /// Extract the own args from this projection.
context_after:     /// then this function would return the slice `['a]` as the own args.