////
Copyright 2020 Peter Dimov
Distributed under the Boost Software License, Version 1.0.
https://www.boost.org/LICENSE_1_0.txt
////

[#owner_equal_to]
# owner_equal_to
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:toc-title:
:idprefix: owner_equal_to_

## Description

`owner_equal_to<T>` is a helper function object that compares two smart
pointer objects using `owner_equals`.

## Synopsis

`owner_equal_to` is defined in `<boost/smart_ptr/owner_equal_to.hpp>`.

```
namespace boost {

  template<class T = void> struct owner_equal_to
  {
    typedef bool result_type;
    typedef T first_argument_type;
    typedef T second_argument_type;

    template<class U, class V> bool operator()( U const & u, V const & v ) const noexcept;
  };
}
```

## Members

```
template<class U, class V> bool operator()( U const & u, V const & v ) const noexcept;
```
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+
Returns::
  `u.owner_equals( v )`.