diff --git a/CMakeLists.txt b/CMakeLists.txt
index a7b1de8..c769391 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.25)
-project(blt-gp VERSION 0.0.22)
+project(blt-gp VERSION 0.0.23)
 
 option(ENABLE_ADDRSAN "Enable the address sanitizer" OFF)
 option(ENABLE_UBSAN "Enable the ub sanitizer" OFF)
diff --git a/examples/main.cpp b/examples/main.cpp
index 4e2959b..1a8f61f 100644
--- a/examples/main.cpp
+++ b/examples/main.cpp
@@ -296,7 +296,7 @@ void test()
 blt::gp::type_system type_system;
 blt::gp::gp_program program(type_system);
 
-blt::gp::operation_t<float(float, float)> add([](float a, float b) { return a + b; });
+blt::gp::operation_t add = blt::gp::make_operator([](float a, float b) { return a + b; });
 blt::gp::operation_t<float(float, float)> sub([](float a, float b) { return a - b; });
 blt::gp::operation_t<float(float, float)> mul([](float a, float b) { return a * b; });
 blt::gp::operation_t<float(float, float)> pro_div([](float a, float b) { return b == 0 ? 0.0f : a / b; });
diff --git a/include/blt/gp/program.h b/include/blt/gp/program.h
index 3cf3a11..b549755 100644
--- a/include/blt/gp/program.h
+++ b/include/blt/gp/program.h
@@ -188,9 +188,21 @@ namespace blt::gp
     
     template<typename Return, typename... Args>
     operation_t(Return (*)(Args...)) -> operation_t<Return(Args...)>;
-//
-//    template<typename Sig>
-//    operation(std::function<Sig>) -> operation<Sig>;
+    
+    template<typename Return, typename Class, typename... Args>
+    operation_t(Return (Class::*)(Args...) const) -> operation_t<Return(Args...)>;
+    
+    template<typename Return, typename Class, typename... Args>
+    operation_t<Return(Args...)> make_operator(Return (Class::*)(Args...) const lambda)
+    {
+        // https://ventspace.wordpress.com/2022/04/11/quick-snippet-c-type-trait-templates-for-lambda-details/
+    }
+    
+    template<typename Lambda>
+    operation_t<decltype(&Lambda::operator())> make_operator(Lambda&& lambda)
+    {
+        return operation_t<decltype(&Lambda::operator())>(std::forward(lambda));
+    }
 //
 //    template<typename Return, typename... Args>
 //    operation(std::function<Return(Args...)>)  -> operation<Return(Args...)>;