Remove detail/operator_bool.hpp

include/boost/smart_ptr/detail/operator_bool.hpp

@@ -1,18 +0,0 @@
-//  This header intentionally has no include guards.
-//
-//  Copyright (c) 2001-2009, 2012 Peter Dimov
-//
-//  Distributed under the Boost Software License, Version 1.0.
-//  See accompanying file LICENSE_1_0.txt or copy at
-//  http://www.boost.org/LICENSE_1_0.txt
-
-    explicit operator bool () const BOOST_SP_NOEXCEPT
-    {
-        return px != 0;
-    }
-
-    // operator! is redundant, but some compilers need it
-    bool operator! () const BOOST_SP_NOEXCEPT
-    {
-        return px == 0;
-    }

include/boost/smart_ptr/intrusive_ptr.hpp

@@ -163,8 +163,10 @@ public:
         return px;
     }
 
-// implicit conversion to "bool"
+    explicit operator bool () const BOOST_SP_NOEXCEPT
-#include <boost/smart_ptr/detail/operator_bool.hpp>
+    {
+        return px != 0;
+    }
 
     void swap(intrusive_ptr & rhs) BOOST_SP_NOEXCEPT
     {

include/boost/smart_ptr/local_shared_ptr.hpp

@@ -386,8 +386,10 @@ public:
         return px;
     }
 
-    // implicit conversion to "bool"
+    explicit operator bool () const BOOST_SP_NOEXCEPT
-#include <boost/smart_ptr/detail/operator_bool.hpp>
+    {
+        return px != 0;
+    }
 
     long local_use_count() const BOOST_SP_NOEXCEPT
     {

include/boost/smart_ptr/scoped_array.hpp

@@ -85,8 +85,10 @@ public:
         return px;
     }
 
-// implicit conversion to "bool"
+    explicit operator bool () const BOOST_SP_NOEXCEPT
-#include <boost/smart_ptr/detail/operator_bool.hpp>
+    {
+        return px != 0;
+    }
 
     void swap(scoped_array & b) BOOST_SP_NOEXCEPT
     {

include/boost/smart_ptr/scoped_ptr.hpp

@@ -111,8 +111,10 @@ public:
         return px;
     }
 
-// implicit conversion to "bool"
+    explicit operator bool () const BOOST_SP_NOEXCEPT
-#include <boost/smart_ptr/detail/operator_bool.hpp>
+    {
+        return px != 0;
+    }
 
     void swap(scoped_ptr & b) BOOST_SP_NOEXCEPT
     {

include/boost/smart_ptr/shared_array.hpp

@@ -176,8 +176,10 @@ public:
         return px;
     }
 
-// implicit conversion to "bool"
+    explicit operator bool () const BOOST_SP_NOEXCEPT
-#include <boost/smart_ptr/detail/operator_bool.hpp>
+    {
+        return px != 0;
+    }
 
     bool unique() const BOOST_SP_NOEXCEPT
     {

include/boost/smart_ptr/shared_ptr.hpp

@@ -581,8 +581,10 @@ public:
         return px;
     }
 
-// implicit conversion to "bool"
+    explicit operator bool () const BOOST_SP_NOEXCEPT
-#include <boost/smart_ptr/detail/operator_bool.hpp>
+    {
+        return px != 0;
+    }
 
     bool unique() const BOOST_SP_NOEXCEPT
     {