{"ast_node_type":"variable","tokens":[{"end":71,"kind":"keyword","start":0,"text":"if"}]}
            if let (chalk_ir::Safety::Safe, chalk_ir::Safety::Unsafe) =
        if let TyKind::Function(to_fn_ptr) = to_ty.kind(Interner) {
                (from_fn_ptr.sig.safety, to_fn_ptr.sig.safety)