Class CollectionExtensions

Inheritance
object
CollectionExtensions
Inherited Members
Namespace: Glitch9
Assembly: Glitch9.dll
Syntax
public static class CollectionExtensions

Methods

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AddOrUpdate<TKey, TValue>(IDictionary<TKey, TValue>, TKey, TValue)

Adds a key-value pair to the dictionary or updates the value if the key already exists.

Declaration
public static void AddOrUpdate<TKey, TValue>(this IDictionary<TKey, TValue> dict, TKey key, TValue value)
Parameters
Type Name Description
IDictionary<TKey, TValue> dict
TKey key
TValue value
Type Parameters
Name Description
TKey
TValue
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ContainsAll<T>(IEnumerable<T>, IEnumerable<T>)

Declaration
public static bool ContainsAll<T>(this IEnumerable<T> ie, IEnumerable<T> values)
Parameters
Type Name Description
IEnumerable<T> ie
IEnumerable<T> values
Returns
Type Description
bool
Type Parameters
Name Description
T
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ContainsAnyFlag<TFlagKey, TValue>(IDictionary<TFlagKey, TValue>, TFlagKey)

Declaration
public static bool ContainsAnyFlag<TFlagKey, TValue>(this IDictionary<TFlagKey, TValue> dict, TFlagKey flags) where TFlagKey : struct, Enum
Parameters
Type Name Description
IDictionary<TFlagKey, TValue> dict
TFlagKey flags
Returns
Type Description
bool
Type Parameters
Name Description
TFlagKey
TValue
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ContainsAny<T>(IEnumerable<T>, params T[])

Declaration
public static bool ContainsAny<T>(this IEnumerable<T> ie, params T[] values)
Parameters
Type Name Description
IEnumerable<T> ie
T[] values
Returns
Type Description
bool
Type Parameters
Name Description
T
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GetBestMatch<T>(Dictionary<string, T>, string, Action<string>)

Gets the best matching value from the dictionary based on the provided key. If no match is found, invokes the onNotFound action if provided.

Declaration
public static T GetBestMatch<T>(this Dictionary<string, T> dict, string key, Action<string> onNotFound = null)
Parameters
Type Name Description
Dictionary<string, T> dict
string key
Action<string> onNotFound
Returns
Type Description
T
Type Parameters
Name Description
T
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IndexOf<T>(IEnumerable<T>, Func<T, bool>)

Finds the index of the first element in the collection that matches the specified predicate.

Declaration
public static int IndexOf<T>(this IEnumerable<T> ie, Func<T, bool> predicate)
Parameters
Type Name Description
IEnumerable<T> ie
Func<T, bool> predicate
Returns
Type Description
int
Type Parameters
Name Description
T
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IsNotNullOrEmpty<T>(IEnumerable<T>)

Determines whether the collection is valid (not null and contains elements).

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

Determines whether the collection is null or empty.

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

Declaration
public static List<T> NullifyIfEmpty<T>(this List<T> c)
Parameters
Type Name Description
List<T> c
Returns
Type Description
List<T>
Type Parameters
Name Description
T
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RandomOrDefault<T>(IReadOnlyList<T>, Random)

Declaration
public static T RandomOrDefault<T>(this IReadOnlyList<T> list, Random rng = null)
Parameters
Type Name Description
IReadOnlyList<T> list
Random rng
Returns
Type Description
T
Type Parameters
Name Description
T
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SafeAddRange<T>(IList<T>, IEnumerable<T>)

Declaration
public static void SafeAddRange<T>(this IList<T> list, IEnumerable<T> values)
Parameters
Type Name Description
IList<T> list
IEnumerable<T> values
Type Parameters
Name Description
T
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SafeAdd<T>(IList<T>, T, bool)

Adds an item to the list if it is not already present.

Declaration
public static void SafeAdd<T>(this IList<T> list, T value, bool replaceIfExists = false)
Parameters
Type Name Description
IList<T> list
T value
bool replaceIfExists
Type Parameters
Name Description
T
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SafeRemoveAt<T>(IList<T>, int)

Removes the element at the specified index if the index is valid.

Declaration
public static void SafeRemoveAt<T>(this IList<T> list, int idx)
Parameters
Type Name Description
IList<T> list
int idx
Type Parameters
Name Description
T
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SwapElements<T>(IList<T>, int, int)

Swaps elements in a list at the specified indices.

Declaration
public static void SwapElements<T>(this IList<T> list, int idx1, int idx2)
Parameters
Type Name Description
IList<T> list
int idx1
int idx2
Type Parameters
Name Description
T
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ToArrayOrNull<T>(List<T>)

Declaration
public static T[] ToArrayOrNull<T>(this List<T> c)
Parameters
Type Name Description
List<T> c
Returns
Type Description
T[]
Type Parameters
Name Description
T
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With<T>(List<T>, params T[])

Declaration
public static List<T> With<T>(this List<T> list, params T[] items)
Parameters
Type Name Description
List<T> list
T[] items
Returns
Type Description
List<T>
Type Parameters
Name Description
T