From 4b9b2928481c48ec70342ee50cf90cc25e616b3c Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Wed, 1 Aug 2018 13:09:32 +1000
Subject: [PATCH] view: add more assertions for valid consume parameters

---
 view.hpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/view.hpp b/view.hpp
index 3ba73bd9..cfe5f081 100644
--- a/view.hpp
+++ b/view.hpp
@@ -339,9 +339,11 @@ namespace util {
 
         //---------------------------------------------------------------------
         [[nodiscard]] constexpr util::view<BeginT,EndT>
-        consume (util::view<BeginT,BeginT> prefix) const
+        consume (util::view<BeginT,EndT> prefix) const
         {
             assert (prefix.begin () == begin ());
+            assert (prefix.end () < end ());
+
             return { prefix.end (), end () };
         }