syntax_data: {"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"///"}]}
source_snippet: /// to identify which traits may define a given associated type to help avoid cycle errors,
context_before: /// does not compute the full elaborated super-predicates but just the set of def-ids. It is used
context_after: /// and to make size estimates for vtable layout computation.