syntax_data: {"ast_node_type":"other","tokens":[{"end":7,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     ///
context_before:     /// [rustc-dev-guide chapter](https://rustc-dev-guide.rust-lang.org/solve/caching.html).
context_after:     /// This can be thought of rotating the sub-tree of this provisional result and changing