Linq.Next 1.2.14

Overview

The Linq.Next package is intended to enhance the linq and the collections with an extra useful features.

System

• System
  • Option

System.Collections.Generic

• System.Collections.Generic
  • StatefulEnumerator
  • PeekableEnumerator

System.Linq

• System.Linq
  • LinqNext

// Split the items into segments (the separator is excluded)
// [false, false, false], true, [false, false, false]
IEnumerable<T[]> Split<T>(this IEnumerable<T> source, Func<T, bool> separatorPredicate)

// Split the items into segments (the separator is included at the beginning of segment)
// [false, false, false], [true, false, false]
IEnumerable<T[]> SplitBefore<T>(this IEnumerable<T> source, Func<T, bool> separatorPredicate)

// Split the items into segments (the separator is included at the end of segment)
// [false, false, true], [false, false, false]
IEnumerable<T[]> SplitAfter<T>(this IEnumerable<T> source, Func<T, bool> separatorPredicate)

// Slice the items into slices
// [true, true, true], [false, true, true]
IEnumerable<T[]> Slice<T>(this IEnumerable<T> source, Func<T, IList<T>, bool> belongsToSlicePredicate)

// Unflatten the items into key-values pairs
// true: [false, false, false], true: [false, false, false]
// key: [value, value, value], key: [value, value, value]
IEnumerable<(Option<T> Key, T[] Values)> Unflatten<T>(this IEnumerable<T> source, Func<T, bool> keyPredicate)

// With prev or next
IEnumerable<(T Value, Option<T> Prev)> WithPrev<T>(this IEnumerable<T> source)
IEnumerable<(T Value, Option<T> Next)> WithNext<T>(this IEnumerable<T> source)
IEnumerable<(T Value, Option<T> Prev, Option<T> Next)> WithPrevNext<T>(this IEnumerable<T> source)

// Tag first or last
IEnumerable<(T Value, bool IsFirst)> TagFirst<T>(this IEnumerable<T> source)
IEnumerable<(T Value, bool IsLast)> TagLast<T>(this IEnumerable<T> source)
IEnumerable<(T Value, bool IsFirst, bool IsLast)> TagFirstLast<T>(this IEnumerable<T> source)

// Compare actual to expected
void CompareTo<T>(this IEnumerable<T> actual, IEnumerable<T> expected, out T[] missing, out T[] extra)

Links

• https://github.com/Denis535/Linq.Next
• https://www.nuget.org/packages/Linq.Next