From 555168d9a354595e0ea6f2355091dbf71cd7da56 Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Mon, 14 Nov 2016 21:30:35 +1100
Subject: [PATCH] view: implement non-const indexing operator

---
 view.ipp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/view.ipp b/view.ipp
index 9406a9b0..0b526c5d 100644
--- a/view.ipp
+++ b/view.ipp
@@ -150,6 +150,16 @@ util::view<T>::operator[] (size_t idx) const noexcept
 }
 
 
+//-----------------------------------------------------------------------------
+template <typename T>
+constexpr
+typename util::view<T>::value_type&
+util::view<T>::operator[] (size_t idx) noexcept
+{
+    return m_begin[idx];
+}
+
+
 ///////////////////////////////////////////////////////////////////////////////
 template <typename T>
 bool