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17 lines
326 B
17 lines
326 B
#if NET20 || NET30 || !NET_4_6 |
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using System.Collections.Generic; |
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namespace System.Linq.Reimplement |
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{ |
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public interface ILookup<TKey, TElement> : IEnumerable<IGrouping<TKey, TElement>> |
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{ |
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int Count { get; } |
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IEnumerable<TElement> this[TKey key] { get; } |
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bool Contains(TKey key); |
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} |
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} |
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#endif |