syntax_data: {"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// As indicated in the diagram, here the same type `&'a i32` is instantiated once, but in the
context_before:     /// ```
context_after:     /// first case we do not increase the De Bruijn index and in the second case we do. The reason