void execute(){fun_();}
~scope_guard() {
if (enabled_) fun_();
}
void execute(){fun_(p1_,p2_,p3_,p4_);}
void execute(){fun_(p1_,p2_);}
void execute(){fun_(p1_);}
void handle_timeout() override {
fun_();
}
bool NodeVersionConverter::convert(TxElement* root) { return fun_(root); }
