From cdfefed385d673289ec787ee8b0713617bb4c6d0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Markus=20Gro=C3=9F?= <markusgross@me.com>
Date: Mon, 14 May 2012 20:13:39 +0200
Subject: [PATCH 1/2] Add default constructor for Boxed_Number

---
 include/chaiscript/dispatchkit/boxed_number.hpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/chaiscript/dispatchkit/boxed_number.hpp b/include/chaiscript/dispatchkit/boxed_number.hpp
index 263619a..1cb5811 100644
--- a/include/chaiscript/dispatchkit/boxed_number.hpp
+++ b/include/chaiscript/dispatchkit/boxed_number.hpp
@@ -297,6 +297,11 @@ namespace chaiscript
 
       
     public:
+      Boxed_Number()
+        : bv(Boxed_Value(0))
+      {
+      }
+
       Boxed_Number(const Boxed_Value &v)
         : bv(v)
       {

From 59dfc847aee0892bceb522f1eaec2b753d9859f3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Markus=20Gro=C3=9F?= <markusgross@me.com>
Date: Mon, 14 May 2012 21:34:28 +0200
Subject: [PATCH 2/2] Make Boxed_Number assignable from Boxed_Value.

---
 .../chaiscript/dispatchkit/boxed_number.hpp   | 30 ++++++++++++-------
 1 file changed, 19 insertions(+), 11 deletions(-)

diff --git a/include/chaiscript/dispatchkit/boxed_number.hpp b/include/chaiscript/dispatchkit/boxed_number.hpp
index 1cb5811..4814a70 100644
--- a/include/chaiscript/dispatchkit/boxed_number.hpp
+++ b/include/chaiscript/dispatchkit/boxed_number.hpp
@@ -303,18 +303,8 @@ namespace chaiscript
       }
 
       Boxed_Number(const Boxed_Value &v)
-        : bv(v)
       {
-        const Type_Info &inp_ = v.get_type_info();
-        if (inp_ == typeid(bool))
-        {
-          throw boost::bad_any_cast();
-        }
-
-        if (!inp_.is_arithmetic())
-        {
-          throw boost::bad_any_cast();
-        }
+        operator=(v);
       }
 
 
@@ -383,6 +373,24 @@ namespace chaiscript
         return oper(Operators::assign_bitwise_and, this->bv, t_rhs.bv);
       }
 
+      Boxed_Number operator=(const Boxed_Value &v)
+      {
+        bv = v;
+
+        const Type_Info &inp_ = v.get_type_info();
+        if (inp_ == typeid(bool))
+        {
+          throw boost::bad_any_cast();
+        }
+
+        if (!inp_.is_arithmetic())
+        {
+          throw boost::bad_any_cast();
+        }
+
+        return *this;
+      }
+
       Boxed_Number operator=(const Boxed_Number &t_rhs) const
       {
         return oper(Operators::assign, this->bv, t_rhs.bv);