Class LinqUtility

Inheritance
Object
LinqUtility
Namespace: Ludiq
Syntax
public static class LinqUtility

Methods

AddRange(IList, IEnumerable)

Declaration
public static void AddRange(this IList list, IEnumerable items)
Parameters
Type Name Description
IList list
IEnumerable items

AddRange<T>(ICollection<T>, T[])

Declaration
public static void AddRange<T>(this ICollection<T> collection, params T[] items)
Parameters
Type Name Description
ICollection<T> collection
T[] items
Type Parameters
Name Description
T

AddRange<T>(ICollection<T>, IEnumerable<T>)

Declaration
public static void AddRange<T>(this ICollection<T> collection, IEnumerable<T> items)
Parameters
Type Name Description
ICollection<T> collection
IEnumerable<T> items
Type Parameters
Name Description
T

AllZipped<TFirst, TSecond>(IEnumerable<TFirst>, IEnumerable<TSecond>, Func<TFirst, TSecond, Boolean>)

Declaration
public static bool AllZipped<TFirst, TSecond>(this IEnumerable<TFirst> first, IEnumerable<TSecond> second, Func<TFirst, TSecond, bool> predicate)
Parameters
Type Name Description
IEnumerable<TFirst> first
IEnumerable<TSecond> second
Func<TFirst, TSecond, Boolean> predicate
Returns
Type Description
Boolean
Type Parameters
Name Description
TFirst
TSecond

AllZippedLongest<TFirst, TSecond>(IEnumerable<TFirst>, IEnumerable<TSecond>, Func<TFirst, TSecond, Boolean>)

Declaration
public static bool AllZippedLongest<TFirst, TSecond>(this IEnumerable<TFirst> first, IEnumerable<TSecond> second, Func<TFirst, TSecond, bool> predicate)
Parameters
Type Name Description
IEnumerable<TFirst> first
IEnumerable<TSecond> second
Func<TFirst, TSecond, Boolean> predicate
Returns
Type Description
Boolean
Type Parameters
Name Description
TFirst
TSecond

AnyZipped<TFirst, TSecond>(IEnumerable<TFirst>, IEnumerable<TSecond>, Func<TFirst, TSecond, Boolean>)

Declaration
public static bool AnyZipped<TFirst, TSecond>(this IEnumerable<TFirst> first, IEnumerable<TSecond> second, Func<TFirst, TSecond, bool> predicate)
Parameters
Type Name Description
IEnumerable<TFirst> first
IEnumerable<TSecond> second
Func<TFirst, TSecond, Boolean> predicate
Returns
Type Description
Boolean
Type Parameters
Name Description
TFirst
TSecond

AnyZippedLongest<TFirst, TSecond>(IEnumerable<TFirst>, IEnumerable<TSecond>, Func<TFirst, TSecond, Boolean>)

Declaration
public static bool AnyZippedLongest<TFirst, TSecond>(this IEnumerable<TFirst> first, IEnumerable<TSecond> second, Func<TFirst, TSecond, bool> predicate)
Parameters
Type Name Description
IEnumerable<TFirst> first
IEnumerable<TSecond> second
Func<TFirst, TSecond, Boolean> predicate
Returns
Type Description
Boolean
Type Parameters
Name Description
TFirst
TSecond

AsReadOnlyArray<T>(IEnumerable<T>)

Declaration
public static T[] AsReadOnlyArray<T>(this IEnumerable<T> enumerable)
Parameters
Type Name Description
IEnumerable<T> enumerable
Returns
Type Description
T[]
Type Parameters
Name Description
T

AsReadOnlyCollection<T>(IEnumerable<T>)

Declaration
public static ICollection<T> AsReadOnlyCollection<T>(this IEnumerable<T> enumerable)
Parameters
Type Name Description
IEnumerable<T> enumerable
Returns
Type Description
ICollection<T>
Type Parameters
Name Description
T

AsReadOnlyList<T>(IEnumerable<T>)

Declaration
public static IList<T> AsReadOnlyList<T>(this IEnumerable<T> enumerable)
Parameters
Type Name Description
IEnumerable<T> enumerable
Returns
Type Description
IList<T>
Type Parameters
Name Description
T

Catch<T>(IEnumerable<T>, Action<Exception>)

Declaration
public static IEnumerable<T> Catch<T>(this IEnumerable<T> source, Action<Exception> catch)
Parameters
Type Name Description
IEnumerable<T> source
Action<Exception> catch
Returns
Type Description
IEnumerable<T>
Type Parameters
Name Description
T

Catch<T>(IEnumerable<T>, ICollection<Exception>)

Declaration
public static IEnumerable<T> Catch<T>(this IEnumerable<T> source, ICollection<Exception> exceptions)
Parameters
Type Name Description
IEnumerable<T> source
ICollection<Exception> exceptions
Returns
Type Description
IEnumerable<T>
Type Parameters
Name Description
T

CatchAsLogError<T>(IEnumerable<T>, String)

Declaration
public static IEnumerable<T> CatchAsLogError<T>(this IEnumerable<T> source, string message)
Parameters
Type Name Description
IEnumerable<T> source
String message
Returns
Type Description
IEnumerable<T>
Type Parameters
Name Description
T

CatchAsLogWarning<T>(IEnumerable<T>, String)

Declaration
public static IEnumerable<T> CatchAsLogWarning<T>(this IEnumerable<T> source, string message)
Parameters
Type Name Description
IEnumerable<T> source
String message
Returns
Type Description
IEnumerable<T>
Type Parameters
Name Description
T

Chunk<T>(IList<T>, Int32)

Declaration
public static List<List<T>> Chunk<T>(this IList<T> collection, int chunkCount)
Parameters
Type Name Description
IList<T> collection
Int32 chunkCount
Returns
Type Description
List<List<T>>
Type Parameters
Name Description
T

Concat<T>(IEnumerable<T>[])

Declaration
public static IEnumerable<T> Concat<T>(params IEnumerable<T>[] enumerables)
Parameters
Type Name Description
IEnumerable<T>[] enumerables
Returns
Type Description
IEnumerable<T>
Type Parameters
Name Description
T

Concat<T>(IEnumerable[])

Declaration
public static IEnumerable<T> Concat<T>(params IEnumerable[] enumerables)
Parameters
Type Name Description
IEnumerable[] enumerables
Returns
Type Description
IEnumerable<T>
Type Parameters
Name Description
T

DistinctBy<T, TKey>(IEnumerable<T>, Func<T, TKey>)

Declaration
public static IEnumerable<T> DistinctBy<T, TKey>(this IEnumerable<T> items, Func<T, TKey> property)
Parameters
Type Name Description
IEnumerable<T> items
Func<T, TKey> property
Returns
Type Description
IEnumerable<T>
Type Parameters
Name Description
T
TKey

Flatten<T>(IEnumerable<T>, Func<T, IEnumerable<T>>)

Declaration
public static IEnumerable<T> Flatten<T>(this IEnumerable<T> source, Func<T, IEnumerable<T>> childrenSelector)
Parameters
Type Name Description
IEnumerable<T> source
Func<T, IEnumerable<T>> childrenSelector
Returns
Type Description
IEnumerable<T>
Type Parameters
Name Description
T

ForceEvaluation<T>(IEnumerable<T>)

Declaration
public static ICollection<T> ForceEvaluation<T>(this IEnumerable<T> source)
Parameters
Type Name Description
IEnumerable<T> source
Returns
Type Description
ICollection<T>
Type Parameters
Name Description
T

IntersectAll<T>(IEnumerable<IEnumerable<T>>)

Declaration
public static IEnumerable<T> IntersectAll<T>(this IEnumerable<IEnumerable<T>> groups)
Parameters
Type Name Description
IEnumerable<IEnumerable<T>> groups
Returns
Type Description
IEnumerable<T>
Type Parameters
Name Description
T

Join<T>(IEnumerable<T>, String)

Declaration
public static string Join<T>(this IEnumerable<T> source, string separator)
Parameters
Type Name Description
IEnumerable<T> source
String separator
Returns
Type Description
String
Type Parameters
Name Description
T

None<T>(IEnumerable<T>)

Declaration
public static bool None<T>(this IEnumerable<T> source)
Parameters
Type Name Description
IEnumerable<T> source
Returns
Type Description
Boolean
Type Parameters
Name Description
T

None<T>(IEnumerable<T>, Func<T, Boolean>)

Declaration
public static bool None<T>(this IEnumerable<T> source, Func<T, bool> predicate)
Parameters
Type Name Description
IEnumerable<T> source
Func<T, Boolean> predicate
Returns
Type Description
Boolean
Type Parameters
Name Description
T

NotAll<T>(IEnumerable<T>, Func<T, Boolean>)

Declaration
public static bool NotAll<T>(this IEnumerable<T> source, Func<T, bool> predicate)
Parameters
Type Name Description
IEnumerable<T> source
Func<T, Boolean> predicate
Returns
Type Description
Boolean
Type Parameters
Name Description
T

NotNull<T>(IEnumerable<T>)

Declaration
public static IEnumerable<T> NotNull<T>(this IEnumerable<T> enumerable)
Parameters
Type Name Description
IEnumerable<T> enumerable
Returns
Type Description
IEnumerable<T>
Type Parameters
Name Description
T

OfType<T>(IEnumerable<T>, Type)

Declaration
public static IEnumerable<T> OfType<T>(this IEnumerable<T> source, Type type)
Parameters
Type Name Description
IEnumerable<T> source
Type type
Returns
Type Description
IEnumerable<T>
Type Parameters
Name Description
T

OrderByDependencies<T>(IEnumerable<T>, Func<T, IEnumerable<T>>, Boolean)

Declaration
public static IEnumerable<T> OrderByDependencies<T>(this IEnumerable<T> source, Func<T, IEnumerable<T>> getDependencies, bool throwOnCycle = true)
Parameters
Type Name Description
IEnumerable<T> source
Func<T, IEnumerable<T>> getDependencies
Boolean throwOnCycle
Returns
Type Description
IEnumerable<T>
Type Parameters
Name Description
T

OrderByDependers<T>(IEnumerable<T>, Func<T, IEnumerable<T>>, Boolean)

Declaration
public static IEnumerable<T> OrderByDependers<T>(this IEnumerable<T> source, Func<T, IEnumerable<T>> getDependers, bool throwOnCycle = true)
Parameters
Type Name Description
IEnumerable<T> source
Func<T, IEnumerable<T>> getDependers
Boolean throwOnCycle
Returns
Type Description
IEnumerable<T>
Type Parameters
Name Description
T

PeekOrDefault<T>(Queue<T>)

Declaration
public static T PeekOrDefault<T>(this Queue<T> queue)
Parameters
Type Name Description
System.Collections.Queue<T> queue
Returns
Type Description
T
Type Parameters
Name Description
T

PeekOrDefault<T>(Stack<T>)

Declaration
public static T PeekOrDefault<T>(this Stack<T> stack)
Parameters
Type Name Description
System.Collections.Stack<T> stack
Returns
Type Description
T
Type Parameters
Name Description
T

Permutations<T>(IEnumerable<T>)

Declaration
public static IEnumerable<T[]> Permutations<T>(this IEnumerable<T> source)
Parameters
Type Name Description
IEnumerable<T> source
Returns
Type Description
IEnumerable<T[]>
Type Parameters
Name Description
T

Predicate<T>(IEnumerable<T>, Func<T, Boolean>, SequencePredicate)

Declaration
public static bool Predicate<T>(this IEnumerable<T> source, Func<T, bool> predicate, SequencePredicate predicateType)
Parameters
Type Name Description
IEnumerable<T> source
Func<T, Boolean> predicate
SequencePredicate predicateType
Returns
Type Description
Boolean
Type Parameters
Name Description
T

Random<T>(IEnumerable<T>)

Declaration
public static T Random<T>(this IEnumerable<T> source)
Parameters
Type Name Description
IEnumerable<T> source
Returns
Type Description
T
Type Parameters
Name Description
T

ToDictionary<TKey, TValue>(IEnumerable<KeyValuePair<TKey, TValue>>, Boolean)

Declaration
public static Dictionary<TKey, TValue> ToDictionary<TKey, TValue>(this IEnumerable<KeyValuePair<TKey, TValue>> items, bool throwOnDuplicates = true)
Parameters
Type Name Description
IEnumerable<KeyValuePair<TKey, TValue>> items
Boolean throwOnDuplicates
Returns
Type Description
Dictionary<TKey, TValue>
Type Parameters
Name Description
TKey
TValue

ToHashSet<T>(IEnumerable<T>)

Declaration
public static HashSet<T> ToHashSet<T>(this IEnumerable<T> enumerable)
Parameters
Type Name Description
IEnumerable<T> enumerable
Returns
Type Description
HashSet<T>
Type Parameters
Name Description
T

ToValueIndexPairs<T>(IEnumerable<T>)

Declaration
public static IEnumerable<KeyValuePair<T, int>> ToValueIndexPairs<T>(this IEnumerable<T> items)
Parameters
Type Name Description
IEnumerable<T> items
Returns
Type Description
IEnumerable<KeyValuePair<T, Int32>>
Type Parameters
Name Description
T

Yield<T>(T)

Declaration
public static IEnumerable<T> Yield<T>(this T t)
Parameters
Type Name Description
T t
Returns
Type Description
IEnumerable<T>
Type Parameters
Name Description
T

ZipLongest<TFirst, TSecond, TResult>(IEnumerable<TFirst>, IEnumerable<TSecond>, Func<TFirst, TSecond, TResult>, TFirst, TSecond)

Declaration
public static IEnumerable<TResult> ZipLongest<TFirst, TSecond, TResult>(this IEnumerable<TFirst> first, IEnumerable<TSecond> second, Func<TFirst, TSecond, TResult> resultSelector, TFirst firstPlaceholder = null, TSecond secondPlaceholder = null)
Parameters
Type Name Description
IEnumerable<TFirst> first
IEnumerable<TSecond> second
Func<TFirst, TSecond, TResult> resultSelector
TFirst firstPlaceholder
TSecond secondPlaceholder
Returns
Type Description
IEnumerable<TResult>
Type Parameters
Name Description
TFirst
TSecond
TResult