How to iterate PugiXML children using C++11 foreach-loop

PugiXML allows you to use the C++11 for loop (also known as range-based for loop or foreach loop) to iterate the children of a node easily:

<?xml version="1.0" encoding="UTF-8"?>
<root-element>
    <sub>A</sub>
    <sub>B</sub>
    <sub>C</sub>
</root-element>

#include <iostream>
#include <pugixml.hpp>
using namespace std;
using namespace pugi;

int main() {
    xml_document doc;
    xml_parse_result result = doc.load_file("test.xml");

    for(const auto& child : doc.child("root-element")) {
        cout << child.child_value() << endl;
    }
}

add_executable(pugixml-for pugixml-for.cpp)
target_link_libraries(pugixml-for pugixml)

Running the example will print

A
B
C