std::experimental::observer_ptr<W>::release

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Technical specifications
Filesystem library (filesystem TS)
Library fundamentals (library fundamentals TS)
Library fundamentals 2 (library fundamentals TS v2)
Library fundamentals 3 (library fundamentals TS v3)
Extensions for parallelism (parallelism TS)
Extensions for parallelism 2 (parallelism TS v2)
Extensions for concurrency (concurrency TS)
Extensions for concurrency 2 (concurrency TS v2)
Concepts (concepts TS)
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Reflection (reflection TS)
Mathematical special functions (special functions TR)
 
 
 
constexpr element_type* release() noexcept;
(library fundamentals TS v2)

Stop watching the watched object, if any. get() returns nullptr after the call.

Parameters

(none)

Return value

A pointer to the previously watched object, or nullptr if there was no watched object, i.e. the value which would be returned by get() before the call.

Example

See also

returns a pointer to the watched object
(public member function)
replaces the watched object
(public member function)