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16 lines
No EOL
441 B
C#
16 lines
No EOL
441 B
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace NzbDrone.Common
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{
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public static class EnumerableExtensions
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{
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public static IEnumerable<TSource> DistinctBy<TSource, TKey>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector)
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{
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var knownKeys = new HashSet<TKey>();
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return source.Where(element => knownKeys.Add(keySelector(element)));
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}
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}
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} |