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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* 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
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGINTROSPECTION_TYPE_TRAITS_
#define OSGINTROSPECTION_TYPE_TRAITS_
/// is_reference is a compile-time template predicate to determine if a
/// type is a reference type.
template <typename T>
struct is_reference
{
static const bool value = false;
};
template <typename T>
struct is_reference<T &>
{
static const bool value = true;
};
/// is_const_reference is a compile-time template predicate to determine
/// if a type is a const reference type.
template <typename T>
struct is_const_reference
{
static const bool value = false;
};
template <typename T>
struct is_const_reference<const T &>
{
static const bool value = true;
};
/// remove_pointer is a compile-time template type mapper that produces
/// the input type, but with any pointer modifier removed.
template <typename T>
struct remove_pointer
{
typedef T type;
};
template <typename T>
struct remove_pointer<T *>
{
typedef T type;
};
#endif
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