syntax_data: {"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// captures nothing. But for a type `&'D u32`, where `'D` is a
context_before:     /// will be *innermost*, because that is the innermost binder that
context_after:     /// late-bound region with De Bruijn index `D`, this would be `D + 1`