view: add 'tail' query

2019-01-18 17:19:25 +11:00 · 2019-01-18 17:19:25 +11:00 · b0d29f94e9
commit b0d29f94e9
parent e7ba296011
1 changed files with 12 additions and 0 deletions
--- a/view.hpp
+++ b/view.hpp
@ -348,6 +348,18 @@ namespace cruft {
        }


+        //---------------------------------------------------------------------
+        template <
+            typename IndexT,
+            typename = std::enable_if_t<std::is_integral_v<IndexT>>
+        >
+        constexpr auto
+        tail (IndexT idx) const
+        {
+            return std::get<1> (split (idx));
+        }
+
+
        //---------------------------------------------------------------------
        template <
            typename IndexT,