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17 lines
326 B
17 lines
326 B
5 years ago
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#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
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