refactor: move is_func to own type traits file

2 files changed, 19 insertions, 13 deletions

diff --git a/src/DI/container.hpp b/src/DI/container.hpp
index 6cb89ce..2dd194f 100644
--- a/src/DI/container.hpp
+++ b/src/DI/container.hpp
@@ -1,9 +1,9 @@
 #pragma once
 
+#include "DI/interfaces/wrapper.hpp"
 #include "DI/object_type.hpp"
-#include "interfaces/wrapper.hpp"
+#include "DI/type_traits.hpp"
 
-#include <functional>
 #include <memory>
 #include <type_traits>
 #include <unordered_map>
@@ -26,16 +26,6 @@ private:
 	Container *_container;
 };
 
-template <typename Satan>
-struct is_func : public std::false_type // NOLINT(readability-identifier-naming)
-{
-};
-
-template <typename Satan, typename... Args>
-struct is_func<std::function<Satan(Args...)>> : public std::true_type
-{
-};
-
 class Container
 {
 public:
@@ -47,7 +37,7 @@ public:
 	template <class Interface, class = std::enable_if_t<std::is_abstract_v<Interface>>>
 	std::shared_ptr<Interface> get() const;
 
-	template <typename Interface, typename = std::enable_if_t<is_func<Interface>::value>>
+	template <typename Interface, typename = std::enable_if_t<is_func_v<Interface>>>
 	Interface get() const;
 
 	std::unordered_map<BaseObjectType, std::shared_ptr<IGenericWrapper>, ObjectTypeHasher>
diff --git a/src/DI/type_traits.hpp b/src/DI/type_traits.hpp
new file mode 100644
index 0000000..a852a4f
--- /dev/null
+++ b/src/DI/type_traits.hpp
@@ -0,0 +1,16 @@
+#pragma once
+
+#include <functional>
+
+template <typename NotAFunc>
+struct is_func : public std::false_type // NOLINT(readability-identifier-naming)
+{
+};
+
+template <typename Return, typename... Args>
+struct is_func<std::function<Return(Args...)>> : public std::true_type
+{
+};
+
+template <typename PossiblyFunc>
+inline constexpr bool is_func_v = is_func<PossiblyFunc>::value;