/// <summary>
/// 获取指定的指针数组中的元素的哈希代码。
/// </summary>
/// <param name="obj">要获取哈希代码的指针数组。</param>
/// <param name="computed">已经计算过哈希代码的对象。</param>
/// <returns><paramref name="obj"/> 中的元素的哈希代码。</returns>
protected override int GetHashCodeCore([DisallowNull] T obj, ISet <object> computed)
{
var array = (Array)(object)obj;
var hashCode = array.GetType().GetHashCode();
var methodGet = PointerArrayEqualityComparer <T> .GetMethod;
for (int index = 0; index < array.Length; index++)
{
var item = methodGet.Invoke(array, array.OffsetToIndices(index).Box());
var nextHashCode = PointerEqualityComparer.GetHashCode(item);
hashCode = this.CombineHashCode(hashCode, nextHashCode);
}
return(hashCode);
}
/// <summary>
/// 确定两个指定指针数组中所包含的元素是否相等。
/// </summary>
/// <param name="x">要比较的第一个指针数组。</param>
/// <param name="y">要比较的第二个指针数组。</param>
/// <param name="compared">已经比较过的对象。</param>
/// <returns>如果 <paramref name="x"/> 和 <paramref name="y"/> 中的元素相等，
/// 则为 <see langword="true"/>；否则为 <see langword="false"/>。</returns>
protected override bool EqualsCore(
[DisallowNull] T x, [DisallowNull] T y, ISet <ObjectPair> compared)
{
var xArray = (Array)(object)x;
var yArray = (Array)(object)y;
var methodGet = PointerArrayEqualityComparer <T> .GetMethod;
for (int index = 0; index < xArray.Length; index++)
{
var xItem = methodGet.Invoke(xArray, xArray.OffsetToIndices(index).Box());
var yItem = methodGet.Invoke(yArray, yArray.OffsetToIndices(index).Box());
if (!PointerEqualityComparer.Equals(xItem, yItem))
{
return(false);
}
}
return(true);
}
