Class CollectionExtensions

Inheritance
object
CollectionExtensions
Namespace: TetraCreations.Core
Assembly: cs.temp.dll.dll
Syntax
public static class CollectionExtensions

Methods

AddIf<T>(ICollection<T>, T, Func<T, bool>)

Add an element to the collection depending on a predicate function

Declaration
public static bool AddIf<T>(this ICollection<T> collection, T element, Func<T, bool> predicate)
Parameters
Type Name Description
ICollection<><T> collection
T element

The element to add
Func<, ><T, bool> predicate

Predicate function needs to return true to add the element
Returns
Type Description
bool
Type Parameters
Name Description
T

AddIfNotContains<T>(ICollection<T>, T)

Add the T value to the collection if it doesn't already exists inside

Declaration
public static bool AddIfNotContains<T>(this ICollection<T> collection, T value)
Parameters
Type Name Description
ICollection<><T> collection
T value
Returns
Type Description
bool
Type Parameters
Name Description
T

AddIfNotNull<T>(ICollection<T>, T)

Add the T element to the collection if it's not null

Declaration
public static bool AddIfNotNull<T>(this ICollection<T> collection, T element)
Parameters
Type Name Description
ICollection<><T> collection
T element
Returns
Type Description
bool
Type Parameters
Name Description
T

AsString<T>(IList<T>, string)

Return the list content as a string

Declaration
public static string AsString<T>(this IList<T> list, string separator = ", ")
Parameters
Type Name Description
IList<><T> list
string separator
Returns
Type Description
string
Type Parameters
Name Description
T

GetOrDefault<T>(T[], int)

Returns T from the index if it exist otherwise default(T)

Declaration
public static T GetOrDefault<T>(this T[] array, int index)
Parameters
Type Name Description
T[] array
int index
Returns
Type Description
T
Type Parameters
Name Description
T

GetRandomElement<T>(IList<T>)

Returns a random element from a list. Sampling with replacement.

Declaration
public static T GetRandomElement<T>(this IList<T> list)
Parameters
Type Name Description
IList<><T> list
Returns
Type Description
T
Type Parameters
Name Description
T

HasUniqueElements<T>(ICollection<T>, IEqualityComparer<T>)

Determines if the collection contains only unique elements using a custom IEqualityComparer

Declaration
public static bool HasUniqueElements<T>(this ICollection<T> collection, IEqualityComparer<T> comparer)
Parameters
Type Name Description
ICollection<><T> collection
IEqualityComparer<><T> comparer
Returns
Type Description
bool
Type Parameters
Name Description
T

HasUniqueElements<T>(ICollection<T>)

Determines if the collection contains only unique elements

Declaration
public static bool HasUniqueElements<T>(this ICollection<T> collection)
Parameters
Type Name Description
ICollection<><T> collection
Returns
Type Description
bool
Type Parameters
Name Description
T

IndexInRange<T>(T[], int)

Returns true if the index exist in the array

Declaration
public static bool IndexInRange<T>(this T[] array, int index)
Parameters
Type Name Description
T[] array
int index
Returns
Type Description
bool
Type Parameters
Name Description
T

IsEmpty<T>(ICollection<T>)

Determines if the collection is empty

Declaration
public static bool IsEmpty<T>(this ICollection<T> collection)
Parameters
Type Name Description
ICollection<><T> collection
Returns
Type Description
bool
Type Parameters
Name Description
T

IsNotEmpty<T>(ICollection<T>)

Determines if the collection is not empty

Declaration
public static bool IsNotEmpty<T>(this ICollection<T> collection)
Parameters
Type Name Description
ICollection<><T> collection
Returns
Type Description
bool
Type Parameters
Name Description
T

IsNotNullOrEmpty<T>(ICollection<T>)

Determines if the collection is not null or empty

Declaration
public static bool IsNotNullOrEmpty<T>(this ICollection<T> collection)
Parameters
Type Name Description
ICollection<><T> collection
Returns
Type Description
bool
Type Parameters
Name Description
T

IsNullOrEmpty<T>(ICollection<T>)

Determines if the collection is null or empty

Declaration
public static bool IsNullOrEmpty<T>(this ICollection<T> collection)
Parameters
Type Name Description
ICollection<><T> collection
Returns
Type Description
bool
Type Parameters
Name Description
T

Log<T>(ICollection<T>)

Displays the content of the Collection in the console

Declaration
public static void Log<T>(this ICollection<T> collection)
Parameters
Type Name Description
ICollection<><T> collection
Type Parameters
Name Description
T

LogArray<T>(T[])

Debug.Log all elements from the array

Declaration
public static void LogArray<T>(T[] array)
Parameters
Type Name Description
T[] array
Type Parameters
Name Description
T

RemoveRandomElement<T>(IList<T>)

Removes a random element from a list, returning that item.

Declaration
public static T RemoveRandomElement<T>(this IList<T> list)
Parameters
Type Name Description
IList<><T> list
Returns
Type Description
T
Type Parameters
Name Description
T

ReverseLoop<T>(IList<T>)

Loop backwards, useful to delete an element from the list.

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

Shuffle<T>(IList<T>)

Shuffles the elements of a list randomly using fischer yates algorithm.
The algorithm produces an unbiased permutation.
Source: http://en.wikipedia.org/wiki/Fisher%E2%80%93Yates_shuffle

Declaration
public static void Shuffle<T>(this IList<T> list)
Parameters
Type Name Description
IList<><T> list

The list to Shuffle
Type Parameters
Name Description
T

WithoutDuplicates<T>(ICollection<T>)

Declaration
public static List<T> WithoutDuplicates<T>(this ICollection<T> list)
Parameters
Type Name Description
ICollection<><T> list
Returns
Type Description
List<><T>
Type Parameters
Name Description
T