Bump version to v1.4.0

CMakeLists.txt

@@ -12,7 +12,7 @@
 
 cmake_minimum_required(VERSION 3.14)
 
-project(jsonrpcpp VERSION 1.3.4 LANGUAGES CXX)
+project(jsonrpcpp VERSION 1.4.0 LANGUAGES CXX)
 set(PROJECT_DESCRIPTION "C++ JSON-RPC 2.0 library")
 set(PROJECT_URL "https://github.com/badaix/jsonrpcpp")
 

include/jsonrpcpp.hpp

@@ -3,7 +3,7 @@
      _(  )/ ___) /  \ (  ( \(  _ \(  _ \ / __)( )  ( )
     / \) \\___ \(  O )/    / )   / ) __/( (__(_ _)(_ _)
     \____/(____/ \__/ \_)__)(__\_)(__)   \___)(_)  (_)
-    version 1.3.4
+    version 1.4.0
     https://github.com/badaix/jsonrpcpp
 
     This file is part of jsonrpc++
@@ -22,7 +22,10 @@
 #ifndef JSON_RPC_HPP
 #define JSON_RPC_HPP
 
-#include "json.hpp"
+// nlohmann-json
+#include <json.hpp>
+
+// standard headers
 #include <cstring>
 #include <exception>
 #include <string>
@@ -151,6 +154,11 @@ class Id : public Entity
         return string_id_;
     }
 
+    bool operator<(const Id& other) const
+    {
+        return (to_json() < other.to_json());
+    }
+
 protected:
     value_t type_;
     int int_id_;
@@ -185,6 +193,8 @@ class Parameter : public NullableEntity
     bool has(const std::string& key) const;
     bool has(size_t idx) const;
 
+    void add(const std::string& key, const Json& value);
+
     template <typename T>
     T get(const std::string& key) const
     {
@@ -686,11 +696,16 @@ inline Parameter::Parameter(const std::string& key1, const Json& value1, const s
 {
     param_map[key1] = value1;
     if (!key2.empty())
-        param_map[key2] = value2;
+        add(key2, value2);
     if (!key3.empty())
-        param_map[key3] = value3;
+        add(key3, value3);
     if (!key4.empty())
-        param_map[key4] = value4;
+        add(key4, value4);
+}
+
+inline void Parameter::add(const std::string& key, const Json& value)
+{
+    param_map[key] = value;
 }
 
 inline void Parameter::parse_json(const Json& json)