syntax_data: {"ast_node_type":"import","tokens":[{"end":95,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// because equality for arrays is determined by the equality of each array element. If you
context_before:     /// are not `StructuralPartialEq`. For example, `[T; 4]` has structural equality regardless of `T`
context_after:     /// want to know whether a given call to `PartialEq::eq` will proceed structurally all the way