diff --git a/include/xo/randomgen/uniformgen.hpp b/include/xo/randomgen/uniformgen.hpp
index d1c4d62..28e311c 100644
--- a/include/xo/randomgen/uniformgen.hpp
+++ b/include/xo/randomgen/uniformgen.hpp
@@ -12,11 +12,19 @@ namespace xo {
         public:
             using generator_type = generator<Engine, std::uniform_real_distribution<double>>;
 
-            template <class Engine>
-            static generator_type unit(Engine eng) {
+            /* named ctor idiom */
+            template <class Eng>
+            static generator_type unit(Eng eng) {
                 return make_generator(std::move(eng),
                                       std::uniform_real_distribution<double>(0.0, 1.0));
             }
+
+            /* named ctor idiom */
+            template <class Eng>
+            static generator_type interval(Eng eng, double lo, double hi) {
+                return make_generator(std::move(eng),
+                                      std::uniform_real_distribution<double>(lo, hi));
+            }
         };
     } /*namespace rng*/
 } /*namespace xo*/