os/bottle_add/bottle_add.cpp

How to construct a very simple bottle. See also os/browse_bottle/browse_bottle.cpp example.

/*
 * Copyright (C) 2006-2020 Istituto Italiano di Tecnologia (IIT)
 * Copyright (C) 2006-2010 RobotCub Consortium
 * All rights reserved.
 *
 * This software may be modified and distributed under the terms of the
 * BSD-3-Clause license. See the accompanying LICENSE file for details.
 */
 
#include <yarp/os/Bottle.h>
 
#include <cstdio>
 
using yarp::os::Bottle;
 
int main(int argc, char* argv[])
{
    YARP_UNUSED(argc);
    YARP_UNUSED(argv);
 
    // create a bottle representing the list (5,"plus",2,"is")
    Bottle b("5 plus 2 is");
    // add an integer that is the sum of element 0 and 2
    b.addInt32(b.get(0).asInt32() + b.get(2).asInt32());
    // print the result -- "result: 5 plus 2 is 7"
    printf("result: %s\n", b.toString().c_str());
    return 0;
}