{"ast_node_type":"other","tokens":[{"end":90,"kind":"keyword","start":0,"text":"//"}]}
        // More info https://github.com/rust-lang/rust/issues/42640#issuecomment-313535089
        // Pattern adjustment is part of RFC 2005-match-ergonomics.
        let unadjusted_pat = self.lower_pattern_unadjusted(pat);