Class LookupExtensions

Denotes extensions to create a lookup

Inheritance

object

LookupExtensions

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: NMF.Expressions.Linq

Assembly: NMF.Expressions.Utilities.dll

Syntax

public static class LookupExtensions

Methods

ToLookup<TSource, TKey>(IEnumerableExpression<TSource>, Expression<Func<TSource, TKey>>)

Creates a lookup of the given collection

Declaration

public static ILookupExpression<TSource, TKey> ToLookup<TSource, TKey>(this IEnumerableExpression<TSource> source, Expression<Func<TSource, TKey>> keySelector)

Parameters

Type	Name	Description
IEnumerableExpression<TSource>	source	The underlying source collection
Expression<Func<TSource, TKey>>	keySelector	A predicate to select the key of an element

Returns

Type	Description
ILookupExpression<TSource, TKey>	A lookup expression

Type Parameters

Name	Description
TSource	The source type of elements
TKey	The key type

ToLookup<TSource, TKey>(INotifyEnumerable<TSource>, Expression<Func<TSource, TKey>>)

Creates a lookup of the given collection

Declaration

public static INotifyLookup<TSource, TKey> ToLookup<TSource, TKey>(this INotifyEnumerable<TSource> source, Expression<Func<TSource, TKey>> keySelector)

Parameters

Type	Name	Description
INotifyEnumerable<TSource>	source	The underlying source collection
Expression<Func<TSource, TKey>>	keySelector	A predicate to select the key of an element

Returns

Type	Description
INotifyLookup<TSource, TKey>	A lookup expression

Type Parameters

Name	Description
TSource	The source type of elements
TKey	The key type