53 lines
1.3 KiB
C#
53 lines
1.3 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using java.util;
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namespace LuckPerms.Torch.Extensions;
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public static class IteratorExtensions
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{
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public static IteratorEnumerator<object> GetEnumerator(this Iterator iterator) => new(iterator);
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public static IteratorEnumerable<T> AsEnumerable<T>(this Iterator iterator) => new(iterator);
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public struct IteratorEnumerator<T>(Iterator iterator) : IEnumerator<T>
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{
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public bool MoveNext()
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{
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if (iterator.hasNext())
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{
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Current = iterator.next() is T ? (T)iterator.next() : default;
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return true;
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}
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Current = default;
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return false;
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}
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public void Reset()
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{
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throw new NotSupportedException();
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}
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object? IEnumerator.Current => Current;
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public T? Current { get; private set; }
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public void Dispose()
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{
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}
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}
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public struct IteratorEnumerable<T>(Iterator iterator) : IEnumerable<T>
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{
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public IteratorEnumerator<T> GetEnumerator() => new(iterator);
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IEnumerator<T> IEnumerable<T>.GetEnumerator()
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{
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return GetEnumerator();
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}
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IEnumerator IEnumerable.GetEnumerator() => null!;
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}
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} |