{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"TyKind::Function(FnPointer"}]}
                TyKind::Function(FnPointer { num_binders: num_binders2, sig: sig2, .. }),
                TyKind::Function(FnPointer { num_binders, sig, .. }),
            ) => num_binders == num_binders2 && sig == sig2,