syntax_data: {"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// want to know whether a given call to `PartialEq::eq` will proceed structurally all the way
context_before:     /// because equality for arrays is determined by the equality of each array element. If you
context_after:     /// down, you will need to use a type visitor.