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Ds\Stack::allocate

(PECL ds >= 1.0.0)

Ds\Stack::allocate — Allocates enough memory for a required capacity

public Ds\Stack::allocate(int $capacity): void

Ensures that enough memory is allocated for a required capacity. This removes the need to reallocate the internal as values are added.

capacity: The number of values for which capacity should be allocated.

注意:
Capacity will stay the same if this value is less than or equal to the current capacity.

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