source § impl Drop for std::rc:: Weak where.T: Ord, source § impl Drop for LinkedList source § impl Drop for Rc where source § impl Drop for std::collections::btree_map:: IntoIter whereĪ: Allocator + Clone, source § impl Drop for std::collections::btree_map:: DrainFilter whereį: FnMut( &K, &mut V) -> bool, source § impl Drop for ThinBox where.T: Ord, source § impl Drop for VaListImpl 1.21.0 source § impl Drop for Waker source § impl Drop for DrainSorted where.source § impl Drop for std::string:: Drain 1.36.0. ![]() To see destructors in action, let’s take a look at the following program: The job of a destructor, and therefore the job of Drop::drop. Resource by freeing the memory or closing the file or socket. Once a value of that type is no longer going to be used, it should “clean up” its That resource may be memory, it may be a file descriptor, it may be a network socket. It is useful, for example for types which directly manage a resource. You don’t have to implement Drop in most cases.
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