From 8e6352f8dbeedff1f529a800173b19d52ff69b6b Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Thu, 1 Sep 2011 08:07:36 -0400
Subject: KWSys: Add hash function for std::string

Added hashing fuction for std::string.  This adds default support for
std::strings to KWSys hashing containers.

Author: Bradley Lowekamp <blowekamp@mail.nih.gov>
Suggested-by: Arnaud Gelas <arnaud_gelas@hms.harvard.edu>
Change-Id: I7e7a0c356b73d19868a3df1db57b702ec7fffe9d
---
 Source/kwsys/hash_fun.hxx.in | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Source/kwsys/hash_fun.hxx.in b/Source/kwsys/hash_fun.hxx.in
index 926ec92..2a1305e 100644
--- a/Source/kwsys/hash_fun.hxx.in
+++ b/Source/kwsys/hash_fun.hxx.in
@@ -40,6 +40,7 @@
 #include <@KWSYS_NAMESPACE@/Configure.hxx>
 #include <@KWSYS_NAMESPACE@/FundamentalType.h>
 #include <@KWSYS_NAMESPACE@/cstddef>        // size_t
+#include <@KWSYS_NAMESPACE@/stl/string>     // string
 
 namespace @KWSYS_NAMESPACE@
 {
@@ -66,6 +67,16 @@ struct hash<const char*> {
 };
 
 @KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
+  struct hash<@KWSYS_NAMESPACE@_stl::string> {
+  size_t operator()(const @KWSYS_NAMESPACE@_stl::string & __s) const { return _stl_hash_string(__s.c_str()); }
+};
+
+@KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
+  struct hash<const @KWSYS_NAMESPACE@_stl::string> {
+  size_t operator()(const @KWSYS_NAMESPACE@_stl::string & __s) const { return _stl_hash_string(__s.c_str()); }
+};
+
+@KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
 struct hash<char> {
   size_t operator()(char __x) const { return __x; }
 };
-- 
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