Class DictionaryUtility

This utility class provides a set of concrete static methods for supporting the EnumerableUtility.

Inheritance

System.Object

DictionaryUtility

Namespace: Cuemon.Collections.Generic

Assembly: Cuemon.Core.dll

Syntax

public static class DictionaryUtility

Methods

FirstMatchOrDefault<TKey, TValue>(IDictionary<TKey, TValue>, TKey[])

Returns the first TValue matching one of the specified keys in a System.Collections.Generic.IDictionary<TKey, TValue>, or a default value if the source contains no elements or no match was found.

Declaration

public static TValue FirstMatchOrDefault<TKey, TValue>(IDictionary<TKey, TValue> source, params TKey[] keys)

Parameters

Type	Name	Description
System.Collections.Generic.IDictionary<TKey, TValue>	source	The System.Collections.Generic.IDictionary<TKey, TValue> to return a matching TValue from.
TKey[]	keys	A variable number of keys to match in the specified source.

Returns

Type	Description
TValue	default(TValue) if source is empty or no match was found; otherwise, the matching element in source.

Type Parameters

Name	Description
TKey	The System.Type of the key.
TValue	The System.Type of the value.

Remarks

The default value for reference and nullable types is null.

FirstMatchOrDefault<TKey, TValue>(IDictionary<TKey, TValue>, TValue, TKey[])

Returns the first TValue matching one of the specified keys in a System.Collections.Generic.IDictionary<TKey, TValue>, or a defaultValue if the source contains no elements or no match was found.

Declaration

public static TValue FirstMatchOrDefault<TKey, TValue>(IDictionary<TKey, TValue> source, TValue defaultValue, params TKey[] keys)

Parameters

Type	Name	Description
System.Collections.Generic.IDictionary<TKey, TValue>	source	The System.Collections.Generic.IDictionary<TKey, TValue> to return a matching TValue from.
TValue	defaultValue	The default value to return when source contains no elements or no match was found.
TKey[]	keys	A variable number of keys to match in the specified source.

Returns

Type	Description
TValue	defaultValue if source is empty or no match was found; otherwise, the matching element in source.

Type Parameters

Name	Description
TKey	The System.Type of the key.
TValue	The System.Type of the value.