DryadLinqQueryable.LongSelect(TSource, TResult) Method

DryadLinqQueryable.LongSelect<TSource, TResult> Method

DryadLINQ documentation

Transforms each element of a sequence into a new form by applying a function of the element and its index.

Namespace: Microsoft.Research.DryadLinq
Assembly: Microsoft.Research.DryadLinq (in Microsoft.Research.DryadLinq.dll) Version: 0.2.1.0 (0.2.1.0)

Syntax

C++

Copy

public static IQueryable<TResult> LongSelect<TSource, TResult>(
	this IQueryable<TSource> source,
	Expression<Func<TSource, long, TResult>> selector
)

<ExtensionAttribute> 
Public Shared Function LongSelect(Of TSource, TResult) ( 
	source As IQueryable(Of TSource),
	selector As Expression(Of Func(Of TSource, Long, TResult))
) As IQueryable(Of TResult)

public:
[ExtensionAttribute]
generic<typename TSource, typename TResult>
static IQueryable<TResult>^ LongSelect(
	IQueryable<TSource>^ source, 
	Expression<Func<TSource, long long, TResult>^>^ selector
)

Parameters

source: Type: System.Linq.IQueryable<TSource>
The sequence of input elements
selector: Type: System.Linq.Expressions.Expression<Func<TSource, Int64, TResult>>
A transform function to apply to each source element; the second parameter of the function represents the index of the source element.

Type Parameters

TSource: The type of the elements of source
TResult: The type of the elements of the result

Return Value

Type: IQueryable<TResult>
The sequence resulting from applying the transformation function on each input element

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IQueryable<TSource>. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

Reference

DryadLinqQueryable Class

Microsoft.Research.DryadLinq Namespace