From 7bae496257cf8a080713011c6cc0db22bbcce094 Mon Sep 17 00:00:00 2001
From: Vinnie Falco <vinnie.falco@gmail.com>
Date: Fri, 25 Oct 2013 15:36:24 -0700
Subject: [PATCH] Add hash function to URL

---
 beast/http/URL.h        | 30 ++++++++++++++++++++++++++++++
 beast/http/impl/URL.cpp | 10 +++++++++-
 2 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/beast/http/URL.h b/beast/http/URL.h
index 5d80bd809..de192be20 100644
--- a/beast/http/URL.h
+++ b/beast/http/URL.h
@@ -103,6 +103,36 @@ private:
     String m_userinfo;
 };
 
+/** URL comparisons. */
+/** @{ */
+inline bool operator== (URL const& lhs, URL const& rhs) { return    lhs.full() == rhs.full(); }
+inline bool operator!= (URL const& lhs, URL const& rhs) { return ! (lhs.full() == rhs.full()); }
+inline bool operator<  (URL const& lhs, URL const& rhs) { return    lhs.full() <  rhs.full(); }
+inline bool operator>  (URL const& lhs, URL const& rhs) { return    rhs.full() <  lhs.full(); }
+inline bool operator<= (URL const& lhs, URL const& rhs) { return ! (rhs.full() <  lhs.full()); }
+inline bool operator>= (URL const& lhs, URL const& rhs) { return ! (lhs.full() <  rhs.full()); }
+/** @} */
+
+extern std::size_t hash_value (beast::URL const& url);
+
 }
 
+//------------------------------------------------------------------------------
+
+namespace std {
+
+template <typename T>
+struct hash;
+
+template <>
+struct hash <beast::URL>
+{
+    std::size_t operator() (beast::URL const& v) const
+        { return beast::hash_value (v); }
+};
+
+}
+
+//------------------------------------------------------------------------------
+
 #endif
diff --git a/beast/http/impl/URL.cpp b/beast/http/impl/URL.cpp
index d0ddfe74a..a6bab6a2d 100644
--- a/beast/http/impl/URL.cpp
+++ b/beast/http/impl/URL.cpp
@@ -25,7 +25,6 @@ URL::URL ()
     : m_port (0)
 {
 }
-
 URL::URL (
     String scheme_,
     String host_,
@@ -154,5 +153,14 @@ String URL::full () const
     return s;
 }
 
+//------------------------------------------------------------------------------
+
+std::size_t hash_value (URL const& v)
+{
+    return std::size_t (v.full().hash());
 }
 
+}
+
+
+// boost::hash support
\ No newline at end of file