syntax_data: {"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// [1]: https://rustc-dev-guide.rust-lang.org/traits/hrtb.html
context_before:     ///
context_after:     /// [2]: https://rustc-dev-guide.rust-lang.org/traits/canonical-queries.html