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Showing content from https://timsong-cpp.github.io/cppwp/n4140/unique.ptr.single.dtor below:

[unique.ptr.single.dtor]

20 General utilities library [utilities] 20.8 Smart pointers [smartptr] 20.8.1 Class template unique_ptr [unique.ptr] 20.8.1.2 unique_ptr for single objects [unique.ptr.single] 20.8.1.2.2 unique_ptr destructor [unique.ptr.single.dtor]

~unique_ptr();

Requires: The expression get_deleter()(get()) shall be well formed, shall have well-defined behavior, and shall not throw exceptions. [ Note: The use of default_delete requires T to be a complete type.  — end note ]

Effects: If get() == nullptr there are no effects. Otherwise get_deleter()(get()).


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