From 122b7442c1012167eddc78f378fe15f22aefc572 Mon Sep 17 00:00:00 2001
From: LPTK <lionel.parreaux@gmail.com>
Date: Wed, 12 Jun 2013 15:26:27 +0200
Subject: [PATCH] created eoOptional

---
 eo/src/eoOptional.h                    | 79 ++++++++++++++++++++++++++
 mo/src/continuator/moStdDevEstimator.h | 34 -----------
 2 files changed, 79 insertions(+), 34 deletions(-)
 create mode 100644 eo/src/eoOptional.h

diff --git a/eo/src/eoOptional.h b/eo/src/eoOptional.h
new file mode 100644
index 000000000..d3cdbff80
--- /dev/null
+++ b/eo/src/eoOptional.h
@@ -0,0 +1,79 @@
+// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+
+/*
+(c) Thales group, 2013
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation;
+    version 2 of the License.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+Contact: http://eodev.sourceforge.net
+
+Authors:
+Lionel Parreaux <lionel.parreaux@gmail.com>
+
+*/
+
+/** @defgroup Logging Logging
+ * @ingroup Utilities
+
+
+
+@{
+*/
+
+#ifndef _EOOPTIONAL_H
+#define _EOOPTIONAL_H
+
+#include <eoObject.h>
+
+
+template< class T >
+class eoOptional {
+public:
+	static const eoOptional<T> null; // = eoOptional<T>();
+	
+	eoOptional (T& init)
+	: _val(&init)
+	{ }
+	
+	bool hasValue() const
+	{
+		return _val != NULL;
+	}
+	
+	T& get () const
+	{
+		if (!hasValue())
+			throw std::runtime_error("Cannot get a reference from a eoOptional wrapper with no value");
+		return *_val;
+	}
+	
+protected:
+	eoOptional ()
+	: _val(NULL)
+	{ }
+	
+private:
+	T* _val;
+};
+
+template< class T >
+const eoOptional<T> eoOptional<T>::null = eoOptional<T>();
+
+
+#endif // _EOOPTIONAL_H
+
+
+/** @} */
+
diff --git a/mo/src/continuator/moStdDevEstimator.h b/mo/src/continuator/moStdDevEstimator.h
index 4d8902055..ff3b645d2 100644
--- a/mo/src/continuator/moStdDevEstimator.h
+++ b/mo/src/continuator/moStdDevEstimator.h
@@ -9,40 +9,6 @@
  // TODO make tests
 
 
-template< class T >
-class eoOptional {
-public:
-	static const eoOptional<T> null; // = eoOptional<T>();
-	
-	eoOptional (T& init)
-	: _val(&init)
-	{ }
-	
-	bool hasValue() const
-	{
-		return _val != NULL;
-	}
-	
-	T& get () const
-	{
-		if (!hasValue())
-			throw std::runtime_error("Cannot get a reference from a eoOptional wrapper with no value");
-		return *_val;
-	}
-	
-protected:
-	eoOptional ()
-	: _val(NULL)
-	{ }
-	
-private:
-	T* _val;
-};
-
-template< class T >
-const eoOptional<T> eoOptional<T>::null = eoOptional<T>();
-
-
 template< class EOT, class Neighbor >
 class moStdDevEstimator : public eoUF<EOT&, double>
 {