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C + + shared_ptr

Source: Internet
Author: User
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Dizzy, other additions.

1, shared_ptr is mainly to facilitate the management of memory and exist, C + + program will not appear new and delete, memory allocation and destruction of all by shared_ptr management

2, when the program in the copy or reference to an object, shared_ptr will have a reference count this thing, each time using 1, after the use of 1, until reduced to 0 when the requested memory (resources) released

C + + shared_ptr

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