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ArrayExtension.cs
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ArrayExtension.cs
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using System;
namespace Aya.Extension
{
public static partial class ArrayExtension
{
#region First / Last
public static T First<T>(this T[] array)
{
if (array.Length == 0) return default(T);
return array[0];
}
public static T First<T>(this T[] array, Predicate<T> predicate)
{
for (var i = 0; i < array.Length; i++)
{
var item = array[i];
if (predicate(item))
{
return item;
}
}
return default(T);
}
public static T Last<T>(this T[] array)
{
if (array.Length == 0) return default(T);
return array[array.Length - 1];
}
public static T Last<T>(this T[] array, Predicate<T> predicate)
{
for (var i = array.Length - 1; i >= 0; i--)
{
var item = array[i];
if (predicate(item))
{
return item;
}
}
return default(T);
}
#endregion
#region Contains
public static bool Contains<T>(this T[] array, T item)
{
for (var i = 0; i < array.Length; i++)
{
var temp = array[i];
if (temp.Equals(item)) return true;
}
return false;
}
public static bool Contains<T>(this T[] array, Predicate<T> predicate)
{
for (var i = 0; i < array.Length; i++)
{
var temp = array[i];
if (predicate(temp)) return true;
}
return false;
}
#endregion
}
}