{"ast_node_type":"enum","tokens":[{"end":107,"kind":"keyword","start":0,"text":"//"}]}
                // against the enum variants. This means that we begin by comparing the enum discriminants,
                // where `expr2` is `partial_cmp(self_discr, other_discr)`, and `expr1` is a `match`
                // before either inspecting their contents (if they match), or returning