M_CodeJam_Collections_EnumerableExtensions_IsFirst__1

EnumerableExtensions.IsFirst(TSource) Method (IEnumerable(TSource), TSource)

Checks, if item is first element of source.

Namespace: CodeJam.Collections
Assembly: CodeJam (in CodeJam.dll) Version: 2.1.0.0

C#

public static bool IsFirst<TSource>(
	this IEnumerable<TSource> source,
	TSource item
)

VB

<ExtensionAttribute>
Public Shared Function IsFirst(Of TSource) ( 
	source As IEnumerable(Of TSource),
	item As TSource
) As Boolean

F#

[<ExtensionAttribute>]
static member IsFirst : 
        source : IEnumerable<'TSource> * 
        item : 'TSource -> bool

source: Type: System.Collections.Generic.IEnumerable(TSource)
An IEnumerable(T) to check.
item: Type: TSource
Source item to compare with first element.

Type: Boolean
true, if source has at least one element and first element is equals to item, otherwise false.

In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerable(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).