Click or drag to resize

attachAttachT1, T2 Method (IEnumerableT1, FuncT1, T2)

Turns each element in an IEnumerableT to a tuple including itself and an output of itself and a selector function.

Namespace:  WhetStone.Looping
Assembly:  WhetStone (in WhetStone.dll) Version: 1.0.4.0 (1.0.0.0)
Syntax
C#
Copy
public static IEnumerable<Tuple<T1, T2>> Attach<T1, T2>(
	this IEnumerable<T1> this,
	Func<T1, T2> selector
)

Parameters

this
Type: System.Collections.GenericIEnumerableT1
The original IEnumerableT
selector
Type: SystemFuncT1, T2
The function from which to get the output as the second member of the tuple.

Type Parameters

T1
The type of the original IEnumerableT
T2
The type of selector's output.

Return Value

Type: IEnumerableTupleT1, T2
An IEnumerableT of type TupleT1, T2 of this's elements with the output of the selector function applied to them.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerableT1. 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).
Remarks
enumerable.Attach(selector) is functionally identical to enumerable.Zip(enumerable.Select(selector)). Although here, the enumerable is enumerated only once per output enumeration.
See Also