overworked doxygen

docs/examples/cbegin.cpp

@@ -0,0 +1,15 @@
+#include <json.hpp>
+
+using namespace nlohmann;
+
+int main()
+{
+    // create an array value
+    const json array = {1, 2, 3, 4, 5};
+
+    // get am iterator to the first element
+    json::const_iterator it = array.cbegin();
+
+    // serialize the element that the iterator points to
+    std::cout << *it << '\n';
+}