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Document owner_equals

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Peter Dimov committed 2020-06-01 00:40:02 +03:00
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commit 9dcd05f918
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doc/smart_ptr/shared_ptr.adoc
+20 -5
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@@ -178,8 +178,11 @@ namespace boost {
void swap(shared_ptr & b) noexcept;
template<class Y> bool owner_before(shared_ptr<Y> const & rhs) const noexcept;
template<class Y> bool owner_before(weak_ptr<Y> const & rhs) const noexcept;
template<class Y> bool owner_before(shared_ptr<Y> const & r) const noexcept;
template<class Y> bool owner_before(weak_ptr<Y> const & r) const noexcept;
template<class Y> bool owner_equals(shared_ptr<Y> const & r) const noexcept;
template<class Y> bool owner_equals(weak_ptr<Y> const & r) const noexcept;
};
template<class T, class U>
@@ -645,15 +648,27 @@ Effects:: Exchanges the contents of the two smart pointers.
### owner_before
```
template<class Y> bool owner_before(shared_ptr<Y> const & rhs) const noexcept;
template<class Y> bool owner_before(shared_ptr<Y> const & r) const noexcept;
```
```
template<class Y> bool owner_before(weak_ptr<Y> const & rhs) const noexcept;
template<class Y> bool owner_before(weak_ptr<Y> const & r) const noexcept;
```
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* {blank}
+
Effects:: See the description of `operator<`.
Returns:: See the description of `operator<`.
### owner_equals
```
template<class Y> bool owner_equals(shared_ptr<Y> const & r) const noexcept;
```
```
template<class Y> bool owner_equals(weak_ptr<Y> const & r) const noexcept;
```
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* {blank}
+
Returns:: `true` if and only if `*this` and `r` share ownership or are both empty.
## Free Functions