Answers for "rust•armanriazi•lifetime•unsafe•destructor"

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rust•armanriazi•lifetime•unsafe•destructor

When values go out of scope or their lifetimes end for some other reason, their destructors are called. A destructor is a function that removes traces of the value from the program by deleting references and freeing memory. You won’t find a call to any destructors in most Rust code. The compiler injects that code itself as part of the process of tracking every value’s lifetime.

To provide a custom destructor for a type, we implement Drop. This typically is needed in cases where we have used unsafe blocks to allocate memory. Drop has one method, drop(&mut self), that you can use to conduct any necessary wind-up activities.
Posted by: Guest on March-08-2022

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