⏪ reverting first/second experiment #350

doc/examples/iterator_wrapper.cpp

@@ -0,0 +1,22 @@
+#include "json.hpp"
+
+using json = nlohmann::json;
+
+int main()
+{
+    // create JSON values
+    json j_object = {{"one", 1}, {"two", 2}};
+    json j_array = {1, 2, 4, 8, 16};
+
+    // example for an object
+    for (auto& x : json::iterator_wrapper(j_object))
+    {
+        std::cout << "key: " << x.key() << ", value: " << x.value() << '\n';
+    }
+
+    // example for an array
+    for (auto& x : json::iterator_wrapper(j_array))
+    {
+        std::cout << "key: " << x.key() << ", value: " << x.value() << '\n';
+    }
+}

doc/examples/iterator_wrapper.link

@@ -0,0 +1 @@
+<a target="_blank" href="https://wandbox.org/permlink/YkOQK9sqEfbKUF31"><b>online</b></a>

doc/examples/iterator_wrapper.output

@@ -0,0 +1,7 @@
+key: one, value: 1
+key: two, value: 2
+key: 0, value: 1
+key: 1, value: 2
+key: 2, value: 4
+key: 3, value: 8
+key: 4, value: 16