57 lines
1.7 KiB
C#
57 lines
1.7 KiB
C#
using System.Collections;
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using java.util;
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using java.util.stream;
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namespace LuckPerms.Torch.Utils.Extensions;
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public static class IteratorExtensions
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{
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public static StreamEnumerable<T> AsEnumerable<T>(this BaseStream stream) => new(stream);
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public static IteratorEnumerator<object> GetEnumerator(this BaseStream stream) => new(stream.iterator());
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public struct StreamEnumerable<T>(BaseStream stream) : IEnumerable<T>
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{
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public IteratorEnumerator<T> GetEnumerator() => new(stream.iterator());
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IEnumerator<T> IEnumerable<T>.GetEnumerator() => GetEnumerator();
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IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
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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()) return false;
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Current = (T)iterator.next();
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return true;
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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() => GetEnumerator();
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IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
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}
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} |