deploy: 63c10a51fc

examples/value__exception.cpp

@@ -0,0 +1,33 @@
+#include <iostream>
+#include <nlohmann/json.hpp>
+
+using json = nlohmann::json;
+
+int main()
+{
+    // create a JSON object with a string value
+    json j = {{"name", "the good"}};
+
+    // exception type_error.302
+    try
+    {
+        int v = j.value("name", 0);
+        std::cout << v << '\n';
+    }
+    catch (const json::type_error& e)
+    {
+        std::cout << e.what() << '\n';
+    }
+
+    // exception type_error.306
+    try
+    {
+        json str = "I am a string";
+        auto v = str.value("name", 0);
+        std::cout << v << '\n';
+    }
+    catch (const json::type_error& e)
+    {
+        std::cout << e.what() << '\n';
+    }
+}