syntax_data: {"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"///"}]}
source_snippet: /// via the `DepTrackingHash` trait defined below, since the standard `Hash`
context_before: /// incremental compilation cache can be re-used or not. This hashing is done
context_after: /// implementation might not be suitable (e.g., arguments are stored in a `Vec`,