std::experimental::observer_ptr::observer_ptr
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< cpp | experimental | observer ptr
| constexpr observer_ptr(); constexpr observer_ptr( nullptr_t ); |
(1) | (library fundamentals TS v2) |
| explicit observer_ptr( std::add_pointer_t<W> p ); |
(2) | (library fundamentals TS v2) |
| template<class W2> observer_ptr( observer_ptr<W2> other ); |
(3) | (library fundamentals TS v2) |
| observer_ptr( const observer_ptr& other ) = default; |
(4) | (library fundamentals TS v2) (implicitly declared) |
| observer_ptr( observer_ptr&& other ) = default; |
(5) | (library fundamentals TS v2) (implicitly declared) |
1) Constructs an
observer_ptr that has no corresponding watched object.2) Constructs an
observer_ptr that watches p.3) Constructs an
observer_ptr that watches other.get(). This constructor does not participate in overload resolution unless W2* is convertible to W*.4-5) Implicitly declared copy and move constructors. Constructs an
observer_ptr that watches other.get().[edit] Parameters
| p | - | a pointer to an object to watch |
| other | - | another observer_ptr to copy from
|
[edit] Exceptions
noexcept specification:
noexcept
