From 95e5d0ca8e4769b87f4c547696b42f42c399e127 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 13 Oct 2016 09:08:19 +0200
Subject: Minor changes to utilities

---
 butl/utility | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

(limited to 'butl/utility')

diff --git a/butl/utility b/butl/utility
index cedfc3d..a513325 100644
--- a/butl/utility
+++ b/butl/utility
@@ -6,9 +6,10 @@
 #define BUTL_UTILITY
 
 #include <string>
-#include <cstddef> // size_t
-#include <utility> // forward()
-#include <cstring> // strcmp(), strlen()
+#include <cstddef>    // size_t
+#include <utility>    // forward()
+#include <cstring>    // strcmp(), strlen()
+//#include <functional> // hash
 
 namespace butl
 {
@@ -91,7 +92,7 @@ namespace butl
   //
   struct compare_c_string
   {
-    bool operator() (const char* x, const char* y) const
+    bool operator() (const char* x, const char* y) const noexcept
     {
       return std::strcmp (x, y) < 0;
     }
@@ -103,6 +104,12 @@ namespace butl
     bool operator() (const P& x, const P& y) const {return *x < *y;}
   };
 
+  //struct hash_pointer_target
+  //{
+  //  template <typename P>
+  //  std::size_t operator() (const P& x) const {return std::hash (*x);}
+  //};
+
   // Combine one or more hash values.
   //
   inline std::size_t
-- 
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