52 lines
1.8 KiB
C#
52 lines
1.8 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace VocaluxeLib
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{
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public static class Extensions
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{
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/// <summary>
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/// Resizes the given list to the given size. Removes elements or adds default values
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="list"></param>
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/// <param name="size"></param>
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/// <param name="defaultValue"></param>
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public static void Resize<T>(this List<T> list, int size, T defaultValue = default(T))
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{
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int curSize = list.Count;
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if (size < curSize)
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list.RemoveRange(size, curSize - size);
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else if (size > curSize)
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list.AddRange(Enumerable.Repeat(defaultValue, size - curSize));
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}
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/// <summary>
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/// Makes the list at least the given size adding the given default values.
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="list"></param>
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/// <param name="size"></param>
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/// <param name="defaultValue"></param>
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public static void EnsureSize<T>(this List<T> list, int size, T defaultValue)
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{
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int curSize = list.Count;
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if (size > curSize)
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list.AddRange(Enumerable.Repeat(defaultValue, size - curSize));
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}
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/// <summary>
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/// Makes the list at least the given size adding a new instance of T
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="list"></param>
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/// <param name="size"></param>
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public static void EnsureSize<T>(this List<T> list, int size) where T : new()
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{
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if (size > list.Count)
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list.Add(new T());
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}
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}
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} |