From 0ecd4269ceddb96f33812bef9bedce90009444c3 Mon Sep 17 00:00:00 2001
From: syntheticpp <syntheticpp@7ec92016-0320-0410-acc4-a06ded1c099a>
Date: Wed, 28 Jan 2009 18:12:10 +0000
Subject: [PATCH] Add Rich's idea to pass the value into the policy

git-svn-id: svn://svn.code.sf.net/p/loki-lib/code/trunk@954 7ec92016-0320-0410-acc4-a06ded1c099a
---
 include/loki/CheckReturn.h | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/include/loki/CheckReturn.h b/include/loki/CheckReturn.h
index 32171a3..4c136da 100755
--- a/include/loki/CheckReturn.h
+++ b/include/loki/CheckReturn.h
@@ -60,34 +60,36 @@ namespace Loki
 ////////////////////////////////////////////////////////////////////////////////
 
 
+template<class T>
 struct IgnoreReturnValue
 {
-	static void run()
+	static void run(const T&)
 	{
 	    /// Do nothing at all.
 	}
 };
 
-
+template<class T>
 struct TriggerAssert
 {
-	static void run()
+	static void run(const T&)
 	{
         assert( 0 );
 	}
 };
 
-
+template<class T>
 struct FprintfStderr
 {
-	static void run()
+	static void run(const T&)
 	{
 		fprintf(stderr, "CheckReturn: return value was not checked\n");
 	}
 };
 
 
-template < class Value , typename OnError = TriggerAssert>
+
+template < class Value , template<class> class OnError = TriggerAssert >
 class CheckReturn
 {
 public:
@@ -109,7 +111,7 @@ public:
 		// If m_checked is false, then a function failed to check the
         // return value from a function call.
 		if (!m_checked)
-			OnError::run();
+			OnError<Value>::run(m_value);
     }
 
     /// Conversion operator changes CheckReturn back to Value type.