safearray.html

来自「《Big C++ 》Third Edition电子书和代码全集-Part1」· HTML 代码 · 共 40 行

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<pre>class SafeArray
{
public:
	SafeArray(int s);
	SafeArray(const int v[], int s);
	int&amp; operator[](int i);
	int operator[](int i) const;
	private:
	int size;
	int* values;
};

SafeArray::SafeArray(int s) : size(s), values(new int[size]) {}

SafeArray::SafeArray(const int v[], int s) : size(s)
{
	values = new int[size];
	for (int i = 0; i &lt; size; i++)
	values[i] = v[i];
}

int&amp; SafeArray::operator[](int index)
{
	assert((index &gt;= 0) &amp;&amp; (index &lt; size));
	return values[i];
}

int SafeArray::operator[](int index) const;
{
	assert((index &gt;= 0) &amp;&amp; (index &lt; size));
	return values[i];
}</pre>
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