Library refactoring based on Walter Brown's feedback

src/include/units/bits/stdconcepts.h

@@ -27,18 +27,21 @@
 
 namespace mp {
 
-  namespace detail {
+  namespace std_concepts {
+
+    namespace detail {
+      template<class T, class U>
+      concept bool SameHelper = std::is_same_v<T, U>;
+    }
+
     template<class T, class U>
-    concept bool SameHelper = std::is_same_v<T, U>;
-  }
+    concept bool Same = detail::SameHelper<T, U>&& detail::SameHelper<U, T>;
 
-  template<class T, class U>
-  concept bool Same = detail::SameHelper<T, U> && detail::SameHelper<U, T>;
-
-  template <class From, class To>
-  concept bool ConvertibleTo = std::is_convertible_v<From, To> &&
-      requires(From (&f)()) {
-          static_cast<To>(f());
-      };
+    template<class From, class To>
+    concept bool ConvertibleTo = std::is_convertible_v<From, To>&& requires(From (&f)())
+    {
+      static_cast<To>(f());
+    };
 
+  }  // namespace std_concepts
 }  // namespace mp