Class DictionaryExtensions

Provides extension methods for working with Dictionary<TKey, TValue> and ConcurrentDictionary<TKey, TValue> collections.

Inheritance

object

DictionaryExtensions

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: mk.helpers

Assembly: mk.helpers.dll

Syntax

public static class DictionaryExtensions

Methods

IncrementAt<T>(IDictionary<T, int>, T)

Increments the value at a specified key in a IDictionary<TKey, TValue>.

Declaration

public static void IncrementAt<T>(this IDictionary<T, int> dictionary, T index)

Parameters

Type	Name	Description
IDictionary<T, int>	dictionary	The dictionary.
T	index	The key to increment.

Type Parameters

Name	Description
T	The type of keys in the dictionary.

ToConcurrentBag<TSource>(IEnumerable<TSource>)

Converts an IEnumerable<T> to a ConcurrentBag<T>.

Declaration

public static ConcurrentBag<TSource> ToConcurrentBag<TSource>(this IEnumerable<TSource> source)

Parameters

Type	Name	Description
IEnumerable<TSource>	source	The source collection.

Returns

Type	Description
ConcurrentBag<TSource>	A ConcurrentBag<T> containing the elements of the source collection.

Type Parameters

Name	Description
TSource	The type of elements in the source collection.

ToConcurrentDictionary<TSource, TKey, TElement>(IEnumerable<TSource>, Func<TSource, TKey>, Func<TSource, TElement>)

Converts an IEnumerable<T> to a ConcurrentDictionary<TKey, TValue>.

Declaration

public static ConcurrentDictionary<TKey, TElement> ToConcurrentDictionary<TSource, TKey, TElement>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TSource, TElement> elementSelector)

Parameters

Type	Name	Description
IEnumerable<TSource>	source	The source collection.
Func<TSource, TKey>	keySelector	A function to extract keys from elements.
Func<TSource, TElement>	elementSelector	A function to extract values from elements.

Returns

Type	Description
ConcurrentDictionary<TKey, TElement>	A ConcurrentDictionary<TKey, TValue> containing the elements of the source collection.

Type Parameters

Name	Description
TSource	The type of elements in the source collection.
TKey	The type of the dictionary keys.
TElement	The type of the dictionary values.

ToConcurrentDictionary<TSource, TKey, TElement>(IEnumerable<TSource>, Func<TSource, TKey>, Func<TSource, TElement>, IEqualityComparer<TKey>)

Converts an IEnumerable<T> to a ConcurrentDictionary<TKey, TValue> using a specified comparer.

Declaration

public static ConcurrentDictionary<TKey, TElement> ToConcurrentDictionary<TSource, TKey, TElement>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TSource, TElement> elementSelector, IEqualityComparer<TKey> comparer)

Parameters

Type	Name	Description
IEnumerable<TSource>	source	The source collection.
Func<TSource, TKey>	keySelector	A function to extract keys from elements.
Func<TSource, TElement>	elementSelector	A function to extract values from elements.
IEqualityComparer<TKey>	comparer	An equality comparer to compare keys.

Returns

Type	Description
ConcurrentDictionary<TKey, TElement>	A ConcurrentDictionary<TKey, TValue> containing the elements of the source collection.

Type Parameters

Name	Description
TSource	The type of elements in the source collection.
TKey	The type of the dictionary keys.
TElement	The type of the dictionary values.

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

Tries to get a value from a IDictionary<TKey, TValue> based on a key.

Declaration

public static TValue TryGet<TKey, TValue>(this IDictionary<TKey, TValue> dictionary, TKey key)

Parameters

Type	Name	Description
IDictionary<TKey, TValue>	dictionary	The dictionary.
TKey	key	The key to look up.

Returns

Type	Description
TValue	The value associated with the key, or the default value if not found.

Type Parameters

Name	Description
TKey	The type of keys in the dictionary.
TValue	The type of values in the dictionary.

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

Tries to get a value from a IDictionary<TKey, TValue> based on a key.

Declaration

public static TValue TryGet<TKey, TValue>(this IDictionary<TKey, TValue> dictionary, TKey key, TValue defaultValue)

Parameters

Type	Name	Description
IDictionary<TKey, TValue>	dictionary	The dictionary.
TKey	key	The key to look up.
TValue	defaultValue	Default value if key is not found

Returns

Type	Description
TValue	The value associated with the key, or the default value if not found.

Type Parameters

Name	Description
TKey	The type of keys in the dictionary.
TValue	The type of values in the dictionary.