The Linq.Next package provides you with a useful additions to the Linq.
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$ dotnet add package Linq.NextReadme
Overview
The Linq.Next package provides you with a useful additions to the Linq.
Reference
namespace System.Linq;
public static class LinqExtensions {
// Split
// Split the items into segments (the separator is excluded)
// Example: [false, false, false], true, [false, false, false]
public static IEnumerable<T[]> Split<T>(this IEnumerable<T> source, Func<T, bool> separatorPredicate);
public static IEnumerable<TResult[]> Split<T, TResult>(this IEnumerable<T> source, Func<T, bool> separatorPredicate, Func<T, TResult> resultSelector);
public static IEnumerable<IList<TResult>> FastSplit<T, TResult>(this IEnumerable<T> source, Func<T, bool> separatorPredicate, Func<T, TResult> resultSelector);
// Split/Before
// Split the items into segments (the separator is included at the beginning of segment)
// Example: [false, false, false], [true, false, false]
public static IEnumerable<T[]> SplitBefore<T>(this IEnumerable<T> source, Func<T, bool> separatorPredicate);
public static IEnumerable<TResult[]> SplitBefore<T, TResult>(this IEnumerable<T> source, Func<T, bool> separatorPredicate, Func<T, TResult> resultSelector);
public static IEnumerable<IList<TResult>> FastSplitBefore<T, TResult>(this IEnumerable<T> source, Func<T, bool> separatorPredicate, Func<T, TResult> resultSelector);
// Split/After
// Split the items into segments (the separator is included at the end of segment)
// Example: [false, false, true], [false, false, false]
public static IEnumerable<T[]> SplitAfter<T>(this IEnumerable<T> source, Func<T, bool> separatorPredicate);
public static IEnumerable<TResult[]> SplitAfter<T, TResult>(this IEnumerable<T> source, Func<T, bool> separatorPredicate, Func<T, TResult> resultSelector);
public static IEnumerable<IList<TResult>> FastSplitAfter<T, TResult>(this IEnumerable<T> source, Func<T, bool> separatorPredicate, Func<T, TResult> resultSelector);
// Slice
// Slice the items into slices
// Example: [true, true, true], [false, true, true]
public static IEnumerable<T[]> Slice<T>(this IEnumerable<T> source, Func<T, IList<T>, bool> belongsToSlicePredicate);
public static IEnumerable<TResult[]> Slice<T, TResult>(this IEnumerable<T> source, Func<T, IList<TResult>, bool> belongsToSlicePredicate, Func<T, TResult> resultSelector);
public static IEnumerable<IList<TResult>> FastSlice<T, TResult>(this IEnumerable<T> source, Func<T, IList<TResult>, bool> belongsToSlicePredicate, Func<T, TResult> resultSelector);
// Unflatten
// Unflatten the items into key-values pairs
// Example: true: [false, false, false], true: [false, false, false]
// Example: key: [value, value, value], key: [value, value, value]
public static IEnumerable<(Option<T> Key, T[] Values)> Unflatten<T>(this IEnumerable<T> source, Func<T, bool> keyPredicate);
public static IEnumerable<(Option<TKey> Key, TValue[] Values)> Unflatten<T, TKey, TValue>(this IEnumerable<T> source, Func<T, bool> keyPredicate, Func<T, TKey> keySelector, Func<T, TValue> valueSelector);
public static IEnumerable<(Option<TKey> Key, IList<TValue> Values)> FastUnflatten<T, TKey, TValue>(this IEnumerable<T> source, Func<T, bool> keyPredicate, Func<T, TKey> keySelector, Func<T, TValue> valueSelector);
// With/Prev
public static IEnumerable<(T Value, Option<T> Prev)> WithPrev<T>(this IEnumerable<T> source);
// With/Next
public static IEnumerable<(T Value, Option<T> Next)> WithNext<T>(this IEnumerable<T> source);
// With/Prev-Next
public static IEnumerable<(T Value, Option<T> Prev, Option<T> Next)> WithPrevNext<T>(this IEnumerable<T> source);
// Tag/First
public static IEnumerable<(T Value, bool IsFirst)> TagFirst<T>(this IEnumerable<T> source);
// Tag/Last
public static IEnumerable<(T Value, bool IsLast)> TagLast<T>(this IEnumerable<T> source);
// Tag/First-Last
public static IEnumerable<(T Value, bool IsFirst, bool IsLast)> TagFirstLast<T>(this IEnumerable<T> source);
// CompareTo
public static void CompareTo<T>(this IEnumerable<T> actual, IEnumerable<T> expected, out T[] missing, out T[] extra);
}