Optimize parameter passing to avoid unnecessary copying

src/logic/CommandsInterpreter.cpp

@@ -4,6 +4,7 @@
 #include "../util/stringutil.hpp"
 
 #include <iostream>
+#include <utility>
 
 using namespace cmd;
 
@@ -156,7 +157,7 @@ public:
         }
         return Command(
             name, std::move(args), std::move(kwargs),
-             std::string(description), executor
+             std::string(description), std::move(executor)
         );
     }
 
@@ -256,7 +257,7 @@ public:
     dynamic::Value applyRelative(
         Argument* arg, 
         dynamic::Value value,
-        dynamic::Value origin
+        const dynamic::Value& origin
     ) {
         if (origin.index() == 0) {
             return value;
@@ -380,7 +381,7 @@ public:
 };
 
 Command Command::create(std::string_view scheme, std::string_view description, executor_func executor) {
-    return CommandParser("<string>", scheme).parseScheme(executor, description);
+    return CommandParser("<string>", scheme).parseScheme(std::move(executor), description);
 }
 
 void CommandsRepository::add(
@@ -388,7 +389,7 @@ void CommandsRepository::add(
     std::string_view description, 
     executor_func executor
 ) {
-    Command command = Command::create(scheme, description, executor);
+    Command command = Command::create(scheme, description, std::move(executor));
     commands[command.getName()] = command;
 }