more documentation

docs/examples/basic_json__copyassignment.cpp

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+#include <json.hpp>
+
+using namespace nlohmann;
+
+int main()
+{
+    // create JSON values
+    json a = 23;
+    json b = 42;
+
+    // copy-assign a to b
+    b = a;
+
+    // serialize the JSON arrays
+    std::cout << a << '\n';
+    std::cout << b << '\n';
+}

docs/examples/basic_json__copyassignment.output

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+23
+23

docs/examples/basic_json__moveconstructor.cpp

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+#include <json.hpp>
+
+using namespace nlohmann;
+
+int main()
+{
+    // create a JSON value
+    json a = 23;
+
+    // move contents of a to b
+    json b(std::move(a));
+
+    // serialize the JSON arrays
+    std::cout << a << '\n';
+    std::cout << b << '\n';
+}

docs/examples/basic_json__moveconstructor.output

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+null
+23

docs/examples/dump.cpp

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+#include <json.hpp>
+
+using namespace nlohmann;
+
+int main()
+{
+    // create JSON values
+    json j_object = {{"one", 1}, {"two", 2}};
+    json j_array = {1, 2, 4, 8, 16};
+
+    // call dump()
+    std::cout << j_object.dump() << "\n\n";
+    std::cout << j_object.dump(-1) << "\n\n";
+    std::cout << j_object.dump(0) << "\n\n";
+    std::cout << j_object.dump(4) << "\n\n";
+    std::cout << j_array.dump() << "\n\n";
+    std::cout << j_array.dump(-1) << "\n\n";
+    std::cout << j_array.dump(0) << "\n\n";
+    std::cout << j_array.dump(4) << "\n\n";
+}

docs/examples/dump.output

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+{"one":1,"two":2}
+
+{"one":1,"two":2}
+
+{
+"one": 1,
+"two": 2
+}
+
+{
+    "one": 1,
+    "two": 2
+}
+
+[1,2,4,8,16]
+
+[1,2,4,8,16]
+
+[
+1,
+2,
+4,
+8,
+16
+]
+
+[
+    1,
+    2,
+    4,
+    8,
+    16
+]
+