Avoid awkward special case for point class

Author: joto

src/geom.hpp

@@ -200,17 +200,21 @@ class multigeometry_t
     using iterator = typename std::vector<GEOM>::iterator;
     using value_type = GEOM;
 
-    static constexpr bool FOR_POINT = std::is_same_v<GEOM, point_t>;
-
     [[nodiscard]] std::size_t num_geometries() const noexcept
     {
         return m_geometry.size();
     }
 
-    GEOM &
-    add_geometry(typename std::conditional_t<FOR_POINT, point_t, GEOM &&> geom)
+    GEOM &add_geometry(GEOM const &geom)
+    {
+        m_geometry.push_back(geom);
+        return m_geometry.back();
+    }
+
+    template <typename T>
+    GEOM &add_geometry(T &&geom)
     {
-        m_geometry.push_back(std::forward<GEOM>(geom));
+        m_geometry.push_back(std::forward<T>(geom));
         return m_geometry.back();
     }