{"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"hir::UnOp::Neg"}]}
        hir::UnOp::Neg => (sym::neg, lang.neg_trait()),
        hir::UnOp::Not => (sym::not, lang.not_trait()),
        hir::UnOp::Deref => bug!("Deref is not overloadable"),