Sets the capacity to the actual number of elements in the Stack<T>, if that number is less than 90 percent of current capacity.
Assembly: System (in System.dll)
This method can be used to minimize a collection's memory overhead if no new elements will be added to the collection. The cost of reallocating and copying a large Stack<T> can be considerable, however, so the method does nothing if the list is at more than 90 percent of capacity. This avoids incurring a large reallocation cost for a relatively small gain.
This method is an O(n) operation, where n is Count.
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