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/**
** \file misc/ref.hxx
** \brief Implementation of misc::ref.
**/
#pragma once
#include <typeinfo>
#include <misc/ref.hh>
namespace misc
{
/*-----------------.
| Ctors and dtor. |
`-----------------*/
template <typename T>
template <typename U>
ref<T>::ref(const ref<U>& other)
: super_type(other)
{}
template <typename T>
ref<T>::ref(const ref<T>& other)
: super_type(other)
{}
template <typename T>
ref<T>::ref(T* p)
: super_type(p)
{}
/*---------------------.
| Equality operators. |
`---------------------*/
template <typename T> bool ref<T>::operator==(const T* other) const
{
return this->get() == other;
}
template <typename T> bool ref<T>::operator!=(const T* other) const
{
return !(*this == other);
}
/*--------.
| Casts. |
`--------*/
template <typename T> template <typename U> ref<U> ref<T>::unsafe_cast() const
{
ref<U> res;
(std::dynamic_pointer_cast<U, element_type>(*this)).swap(res);
return res;
}
template <typename T> template <typename U> ref<U> ref<T>::cast() const
{
if (!this->get() || !this->is_a<U>())
throw std::bad_cast();
return unsafe_cast<U>();
}
template <typename T> template <typename U> bool ref<T>::is_a() const
{
return dynamic_cast<U*>(this->get());
}
} // namespace misc
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