24 lines
654 B
C#
24 lines
654 B
C#
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namespace KIKunstKirstenKlöckner.Extensions
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{
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public static class ListExtension
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{
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public static IEnumerable<T> PickRandom<T>(this List<T> list, int n)
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{
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if (list.Count == 0)
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{
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throw new ArgumentException("List cannot be emtpy: ", nameof(list));
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}
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if (n <= 0)
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{
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throw new ArgumentException("n must be greater than 0: ", nameof(n));
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}
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for (int i = 0; i < n; i++)
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{
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int index = Random.Shared.Next(list.Count);
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yield return list[index];
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}
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}
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}
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}
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