47 lines
1022 B
PHP
47 lines
1022 B
PHP
<?php
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namespace Arma\Internal;
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/**
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* Interface for resizable (non-subview) vectors.
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*
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* @package Arma\Internal
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*/
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interface ResizableVector extends Resizable, Vector
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{
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/**
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* Recreate the object according to given size specifications, while preserving the elements
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* as well as the layout of the elements.
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*
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* @param int $n_elem
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* @return void
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*/
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function resize($n_elem);
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/**
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* Change the size of an object, without explicitly preserving data and without initialising the elements.
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*
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* @param int $n_elem
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* @return void
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*/
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function setSize($n_elem);
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/**
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* Set the elements of an object to zero, optionally first changing the size to specified dimensions.
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*
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* @param int $n_elem[optional]
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* @return $this
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*/
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function zeros($n_elem);
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// Characteristics
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/**
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* Check whether the given index is currently valid.
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*
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* @param int $idx
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* @return bool
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*/
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function inRange($idx);
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}
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