From d6c0a821f4d3b58367d3b88b78e833c3dce23e1f Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Tue, 6 Aug 2013 12:24:00 +1000
Subject: [PATCH] Add choose implementation for fixed size arrays

---
 random.hpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/random.hpp b/random.hpp
index 9ade838f..895eee5c 100644
--- a/random.hpp
+++ b/random.hpp
@@ -43,6 +43,12 @@ namespace util {
         return *cursor;
     }
 
+    template <typename T, size_t N>
+    T&
+    choose (T (&v)[N]) {
+        return v[static_cast<size_t> (random<float> () * N)];
+    }
+
     template <typename T>
     typename T::value_type&
     choose (T begin, T end) {