System.Linq.Enumerable

Enumerable

public static class Enumerable

public static TSource Aggregate<TSource>(this IEnumerable<TSource> source, Func<TSource, TSource, TSource> func)

public static TAccumulate Aggregate<TSource, TAccumulate>(this IEnumerable<TSource> source, TAccumulate seed, Func<TAccumulate, TSource, TAccumulate> func)

public static TResult Aggregate<TSource, TAccumulate, TResult>(this IEnumerable<TSource> source, TAccumulate seed, Func<TAccumulate, TSource, TAccumulate> func, Func<TAccumulate, TResult> resultSelector)

public static bool All<TSource>(this IEnumerable<TSource> source, Func<TSource, bool> predicate)

public static bool Any<TSource>(this IEnumerable<TSource> source)

public static bool Any<TSource>(this IEnumerable<TSource> source, Func<TSource, bool> predicate)

public static IEnumerable<TSource> AsEnumerable<TSource>(this IEnumerable<TSource> source)

public static double Average(this IEnumerable<int> source)

public static double Average(this IEnumerable<long> source)

public static double Average(this IEnumerable<double> source)

public static float Average(this IEnumerable<float> source)

public static decimal Average(this IEnumerable<decimal> source)

public static double? Average(this IEnumerable<int?> source)

public static double? Average(this IEnumerable<long?> source)

public static double? Average(this IEnumerable<double?> source)

public static decimal? Average(this IEnumerable<decimal?> source)

public static float? Average(this IEnumerable<float?> source)

public static double Average<TSource>(this IEnumerable<TSource> source, Func<TSource, int> selector)

public static double? Average<TSource>(this IEnumerable<TSource> source, Func<TSource, int?> selector)

public static double Average<TSource>(this IEnumerable<TSource> source, Func<TSource, long> selector)

public static double? Average<TSource>(this IEnumerable<TSource> source, Func<TSource, long?> selector)

public static double Average<TSource>(this IEnumerable<TSource> source, Func<TSource, double> selector)

public static double? Average<TSource>(this IEnumerable<TSource> source, Func<TSource, double?> selector)

public static float Average<TSource>(this IEnumerable<TSource> source, Func<TSource, float> selector)

public static float? Average<TSource>(this IEnumerable<TSource> source, Func<TSource, float?> selector)

public static decimal Average<TSource>(this IEnumerable<TSource> source, Func<TSource, decimal> selector)

public static decimal? Average<TSource>(this IEnumerable<TSource> source, Func<TSource, decimal?> selector)

public static IEnumerable<TResult> Cast<TResult>(this IEnumerable source)

public static IEnumerable<TSource> Concat<TSource>(this IEnumerable<TSource> first, IEnumerable<TSource> second)

public static bool Contains<TSource>(this IEnumerable<TSource> source, TSource value)

public static bool Contains<TSource>(this IEnumerable<TSource> source, TSource value, IEqualityComparer<TSource> comparer)

public static int Count<TSource>(this IEnumerable<TSource> source)

public static int Count<TSource>(this IEnumerable<TSource> source, Func<TSource, bool> predicate)

public static IEnumerable<TSource> DefaultIfEmpty<TSource>(this IEnumerable<TSource> source)

public static IEnumerable<TSource> DefaultIfEmpty<TSource>(this IEnumerable<TSource> source, TSource defaultValue)

public static IEnumerable<TSource> Distinct<TSource>(this IEnumerable<TSource> source)

public static IEnumerable<TSource> Distinct<TSource>(this IEnumerable<TSource> source, IEqualityComparer<TSource> comparer)

public static TSource ElementAt<TSource>(this IEnumerable<TSource> source, int index)

public static TSource ElementAtOrDefault<TSource>(this IEnumerable<TSource> source, int index)

public static IEnumerable<TResult> Empty<TResult>()

public static IEnumerable<TSource> Except<TSource>(this IEnumerable<TSource> first, IEnumerable<TSource> second)

public static IEnumerable<TSource> Except<TSource>(this IEnumerable<TSource> first, IEnumerable<TSource> second, IEqualityComparer<TSource> comparer)

public static TSource First<TSource>(this IEnumerable<TSource> source)

public static TSource First<TSource>(this IEnumerable<TSource> source, Func<TSource, bool> predicate)

public static TSource FirstOrDefault<TSource>(this IEnumerable<TSource> source)

public static TSource FirstOrDefault<TSource>(this IEnumerable<TSource> source, Func<TSource, bool> predicate)

public static IEnumerable<IGrouping<TKey, TSource>> GroupBy<TSource, TKey>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector)

public static IEnumerable<IGrouping<TKey, TSource>> GroupBy<TSource, TKey>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector, IEqualityComparer<TKey> comparer)

public static IEnumerable<IGrouping<TKey, TElement>> GroupBy<TSource, TKey, TElement>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TSource, TElement> elementSelector)

public static IEnumerable<IGrouping<TKey, TElement>> GroupBy<TSource, TKey, TElement>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TSource, TElement> elementSelector, IEqualityComparer<TKey> comparer)

public static IEnumerable<TResult> GroupBy<TSource, TKey, TElement, TResult>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TSource, TElement> elementSelector, Func<TKey, IEnumerable<TElement>, TResult> resultSelector)

public static IEnumerable<TResult> GroupBy<TSource, TKey, TResult>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TKey, IEnumerable<TSource>, TResult> resultSelector)

public static IEnumerable<TResult> GroupBy<TSource, TKey, TResult>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TKey, IEnumerable<TSource>, TResult> resultSelector, IEqualityComparer<TKey> comparer)

public static IEnumerable<TResult> GroupJoin<TOuter, TInner, TKey, TResult>(this IEnumerable<TOuter> outer, IEnumerable<TInner> inner, Func<TOuter, TKey> outerKeySelector, Func<TInner, TKey> innerKeySelector, Func<TOuter, IEnumerable<TInner>, TResult> resultSelector)

public static IEnumerable<TSource> Intersect<TSource>(this IEnumerable<TSource> first, IEnumerable<TSource> second)

public static IEnumerable<TSource> Intersect<TSource>(this IEnumerable<TSource> first, IEnumerable<TSource> second, IEqualityComparer<TSource> comparer)

public static IEnumerable<TResult> Join<TOuter, TInner, TKey, TResult>(this IEnumerable<TOuter> outer, IEnumerable<TInner> inner, Func<TOuter, TKey> outerKeySelector, Func<TInner, TKey> innerKeySelector, Func<TOuter, TInner, TResult> resultSelector, IEqualityComparer<TKey> comparer)

public static TSource Last<TSource>(this IEnumerable<TSource> source)

public static TSource Last<TSource>(this IEnumerable<TSource> source, Func<TSource, bool> predicate)

public static TSource LastOrDefault<TSource>(this IEnumerable<TSource> source)

public static TSource LastOrDefault<TSource>(this IEnumerable<TSource> source, Func<TSource, bool> predicate)

public static long LongCount<TSource>(this IEnumerable<TSource> source)

public static long LongCount<TSource>(this IEnumerable<TSource> source, Func<TSource, bool> predicate)

public static int Max(this IEnumerable<int> source)

public static long Max(this IEnumerable<long> source)

public static double Max(this IEnumerable<double> source)

public static float Max(this IEnumerable<float> source)

public static decimal Max(this IEnumerable<decimal> source)

public static int? Max(this IEnumerable<int?> source)

public static long? Max(this IEnumerable<long?> source)

public static double? Max(this IEnumerable<double?> source)

public static float? Max(this IEnumerable<float?> source)

public static decimal? Max(this IEnumerable<decimal?> source)

public static TSource Max<TSource>(this IEnumerable<TSource> source)

public static int Max<TSource>(this IEnumerable<TSource> source, Func<TSource, int> selector)

public static long Max<TSource>(this IEnumerable<TSource> source, Func<TSource, long> selector)

public static double Max<TSource>(this IEnumerable<TSource> source, Func<TSource, double> selector)

public static float Max<TSource>(this IEnumerable<TSource> source, Func<TSource, float> selector)

public static decimal Max<TSource>(this IEnumerable<TSource> source, Func<TSource, decimal> selector)

public static int? Max<TSource>(this IEnumerable<TSource> source, Func<TSource, int?> selector)

public static long? Max<TSource>(this IEnumerable<TSource> source, Func<TSource, long?> selector)

public static double? Max<TSource>(this IEnumerable<TSource> source, Func<TSource, double?> selector)

public static float? Max<TSource>(this IEnumerable<TSource> source, Func<TSource, float?> selector)

public static decimal? Max<TSource>(this IEnumerable<TSource> source, Func<TSource, decimal?> selector)

public static TResult Max<TSource, TResult>(this IEnumerable<TSource> source, Func<TSource, TResult> selector)

public static int Min(this IEnumerable<int> source)

public static long Min(this IEnumerable<long> source)

public static double Min(this IEnumerable<double> source)

public static float Min(this IEnumerable<float> source)

public static decimal Min(this IEnumerable<decimal> source)

public static int? Min(this IEnumerable<int?> source)

public static long? Min(this IEnumerable<long?> source)

public static double? Min(this IEnumerable<double?> source)

public static float? Min(this IEnumerable<float?> source)

public static decimal? Min(this IEnumerable<decimal?> source)

public static TSource Min<TSource>(this IEnumerable<TSource> source)

public static int Min<TSource>(this IEnumerable<TSource> source, Func<TSource, int> selector)

public static long Min<TSource>(this IEnumerable<TSource> source, Func<TSource, long> selector)

public static double Min<TSource>(this IEnumerable<TSource> source, Func<TSource, double> selector)

public static float Min<TSource>(this IEnumerable<TSource> source, Func<TSource, float> selector)

public static decimal Min<TSource>(this IEnumerable<TSource> source, Func<TSource, decimal> selector)

public static int? Min<TSource>(this IEnumerable<TSource> source, Func<TSource, int?> selector)

public static long? Min<TSource>(this IEnumerable<TSource> source, Func<TSource, long?> selector)

public static float? Min<TSource>(this IEnumerable<TSource> source, Func<TSource, float?> selector)

public static double? Min<TSource>(this IEnumerable<TSource> source, Func<TSource, double?> selector)

public static decimal? Min<TSource>(this IEnumerable<TSource> source, Func<TSource, decimal?> selector)

public static TResult Min<TSource, TResult>(this IEnumerable<TSource> source, Func<TSource, TResult> selector)

public static IEnumerable<TResult> OfType<TResult>(this IEnumerable source)

public static IOrderedEnumerable<TSource> OrderBy<TSource, TKey>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector)

public static IOrderedEnumerable<TSource> OrderBy<TSource, TKey>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector, IComparer<TKey> comparer)

public static IOrderedEnumerable<TSource> OrderByDescending<TSource, TKey>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector)

public static IOrderedEnumerable<TSource> OrderByDescending<TSource, TKey>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector, IComparer<TKey> comparer)

public static IEnumerable<int> Range(int start, int count)

public static IEnumerable<TResult> Repeat<TResult>(TResult element, int count)

public static IEnumerable<TSource> Reverse<TSource>(this IEnumerable<TSource> source)

public static IEnumerable<TResult> Select<TSource, TResult>(this IEnumerable<TSource> source, Func<TSource, TResult> selector)

public static IEnumerable<TResult> Select<TSource, TResult>(this IEnumerable<TSource> source, Func<TSource, int, TResult> selector)

public static IEnumerable<TResult> SelectMany<TSource, TResult>(this IEnumerable<TSource> source, Func<TSource, IEnumerable<TResult>> selector)

public static IEnumerable<TResult> SelectMany<TSource, TResult>(this IEnumerable<TSource> source, Func<TSource, int, IEnumerable<TResult>> selector)

public static IEnumerable<TResult> SelectMany<TSource, TCollection, TResult>(this IEnumerable<TSource> source, Func<TSource, IEnumerable<TCollection>> collectionSelector, Func<TSource, TCollection, TResult> resultSelector)

public static IEnumerable<TResult> SelectMany<TSource, TCollection, TResult>(this IEnumerable<TSource> source, Func<TSource, int, IEnumerable<TCollection>> collectionSelector, Func<TSource, TCollection, TResult> resultSelector)

public static bool SequenceEqual<TSource>(this IEnumerable<TSource> first, IEnumerable<TSource> second)

public static bool SequenceEqual<TSource>(this IEnumerable<TSource> first, IEnumerable<TSource> second, IEqualityComparer<TSource> comparer)

public static TSource Single<TSource>(this IEnumerable<TSource> source)

public static TSource Single<TSource>(this IEnumerable<TSource> source, Func<TSource, bool> predicate)

public static TSource SingleOrDefault<TSource>(this IEnumerable<TSource> source)

public static TSource SingleOrDefault<TSource>(this IEnumerable<TSource> source, Func<TSource, bool> predicate)

public static IEnumerable<TSource> Skip<TSource>(this IEnumerable<TSource> source, int count)

public static IEnumerable<TSource> SkipWhile<TSource>(this IEnumerable<TSource> source, Func<TSource, bool> predicate)

public static IEnumerable<TSource> SkipWhile<TSource>(this IEnumerable<TSource> source, Func<TSource, int, bool> predicate)

public static int Sum(this IEnumerable<int> source)

public static int? Sum(this IEnumerable<int?> source)

public static int Sum<TSource>(this IEnumerable<TSource> source, Func<TSource, int> selector)

public static int? Sum<TSource>(this IEnumerable<TSource> source, Func<TSource, int?> selector)

public static long Sum(this IEnumerable<long> source)

public static long? Sum(this IEnumerable<long?> source)

public static long Sum<TSource>(this IEnumerable<TSource> source, Func<TSource, long> selector)

public static long? Sum<TSource>(this IEnumerable<TSource> source, Func<TSource, long?> selector)

public static double Sum(this IEnumerable<double> source)

public static double? Sum(this IEnumerable<double?> source)

public static double Sum<TSource>(this IEnumerable<TSource> source, Func<TSource, double> selector)

public static double? Sum<TSource>(this IEnumerable<TSource> source, Func<TSource, double?> selector)

public static float Sum(this IEnumerable<float> source)

public static float? Sum(this IEnumerable<float?> source)

public static float Sum<TSource>(this IEnumerable<TSource> source, Func<TSource, float> selector)

public static float? Sum<TSource>(this IEnumerable<TSource> source, Func<TSource, float?> selector)

public static decimal Sum(this IEnumerable<decimal> source)

public static decimal? Sum(this IEnumerable<decimal?> source)

public static decimal Sum<TSource>(this IEnumerable<TSource> source, Func<TSource, decimal> selector)

public static decimal? Sum<TSource>(this IEnumerable<TSource> source, Func<TSource, decimal?> selector)

public static IEnumerable<TSource> Take<TSource>(this IEnumerable<TSource> source, int count)

public static IEnumerable<TSource> TakeWhile<TSource>(this IEnumerable<TSource> source, Func<TSource, bool> predicate)

public static IEnumerable<TSource> TakeWhile<TSource>(this IEnumerable<TSource> source, Func<TSource, int, bool> predicate)

public static IOrderedEnumerable<TSource> ThenBy<TSource, TKey>(this IOrderedEnumerable<TSource> source, Func<TSource, TKey> keySelector)

public static IOrderedEnumerable<TSource> ThenBy<TSource, TKey>(this IOrderedEnumerable<TSource> source, Func<TSource, TKey> keySelector, IComparer<TKey> comparer)

public static IOrderedEnumerable<TSource> ThenByDescending<TSource, TKey>(this IOrderedEnumerable<TSource> source, Func<TSource, TKey> keySelector)

public static IOrderedEnumerable<TSource> ThenByDescending<TSource, TKey>(this IOrderedEnumerable<TSource> source, Func<TSource, TKey> keySelector, IComparer<TKey> comparer)

public static TSource[] ToArray<TSource>(this IEnumerable<TSource> source)

public static Dictionary<TKey, TElement> ToDictionary<TSource, TKey, TElement>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TSource, TElement> elementSelector)

public static Dictionary<TKey, TElement> ToDictionary<TSource, TKey, TElement>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TSource, TElement> elementSelector, IEqualityComparer<TKey> comparer)

public static Dictionary<TKey, TSource> ToDictionary<TSource, TKey>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector)

public static Dictionary<TKey, TSource> ToDictionary<TSource, TKey>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector, IEqualityComparer<TKey> comparer)

public static List<TSource> ToList<TSource>(this IEnumerable<TSource> source)

public static ILookup<TKey, TSource> ToLookup<TSource, TKey>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector)

public static ILookup<TKey, TSource> ToLookup<TSource, TKey>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector, IEqualityComparer<TKey> comparer)

public static ILookup<TKey, TElement> ToLookup<TSource, TKey, TElement>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TSource, TElement> elementSelector)

public static ILookup<TKey, TElement> ToLookup<TSource, TKey, TElement>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TSource, TElement> elementSelector, IEqualityComparer<TKey> comparer)

public static IEnumerable<TSource> Union<TSource>(this IEnumerable<TSource> first, IEnumerable<TSource> second)

public static IEnumerable<TSource> Union<TSource>(this IEnumerable<TSource> first, IEnumerable<TSource> second, IEqualityComparer<TSource> comparer)

public static IEnumerable<TSource> Where<TSource>(this IEnumerable<TSource> source, Func<TSource, bool> predicate)

public static IEnumerable<TSource> Where<TSource>(this IEnumerable<TSource> source, Func<TSource, int, bool> predicate)