Added example for encoding chinese_characters

doc/Examples.md

@@ -1,4 +1,4 @@
-# Examples
+# Examples
 
 ### Parse and decode
 
@@ -17,6 +17,7 @@
 ### Encode
 
 [Encode a json value to a string](#B1)  
+[Encode Chinese characters](#B5)  
 [Encode a json value to a stream](#B2)  
 [Escape all non-ascii characters](#B3)  
 [Replace the representation of NaN, Inf and -Inf when serializing. And when reading in again.](#B4)
@@ -509,6 +510,21 @@ j.dump(s); // compressed
 j.dump(s, indenting::indent); // pretty print
 ```
 
+<div id="B5"/>
+
+#### Encode Chinese characters
+
+```
+jsoncons::json j;
+
+std::string s = (const char*)u8"你好";
+j.try_emplace("hello", s);
+assert(j["hello"].as<std::string>() == s);
+
+std::string json_string;
+j.dump(json_string);
+```
+
 <div id="B2"/>
 
 #### Encode a json value to a stream

examples/src/serialization_examples.cpp

@@ -1,9 +1,10 @@
-// Copyright 2013-2023 Daniel Parker
+// Copyright 2013-2023 Daniel Parker
 // Distributed under Boost license
 
 #include <string>
 #include <jsoncons/json.hpp>
 #include <iomanip>
+#include <assert.h>
 
 using namespace jsoncons;
 
@@ -443,6 +444,18 @@ void decimal_precision_examples()
     std::cout << "(4) a: " << j2["a"].as<double>() << ", b: " << j2["b"].as<double>() << "\n\n"; 
 }
 
+void chinese_characters()
+{
+    jsoncons::json j;
+
+    std::string s = (const char*)u8"你好";
+    j.try_emplace("hello", s);
+    assert(j["hello"].as<std::string>() == s);
+
+    std::string json_string;
+    j.dump(json_string);
+}
+
 int main()
 {
     std::cout << "\nSerialization examples\n\n";
@@ -455,7 +468,8 @@ int main()
     bignum_serialization_examples2();
     bignum_serialization_examples1();
     decimal_precision_examples();
-    bignum_access_examples();
+    bignum_access_examples(); 
+    chinese_characters();
     std::cout << std::endl;
 }