M_CSharpx_EnumerableExtensions_TryHead__1

EnumerableExtensions.TryHead(T) Method

Safe function that returns Just(first element) or None.

Namespace: CSharpx
Assembly: CommandLine (in CommandLine.dll) Version: 0.0.0

Syntax

C#

public static Maybe<T> TryHead<T>(
	this IEnumerable<T> source
)

VB

<ExtensionAttribute>
Public Shared Function TryHead(Of T) ( 
	source As IEnumerable(Of T)
) As Maybe(Of T)

C++

public:
[ExtensionAttribute]
generic<typename T>
static Maybe<T>^ TryHead(
	IEnumerable<T>^ source
)

F#

[<ExtensionAttribute>]
static member TryHead : 
        source : IEnumerable<'T> -> Maybe<'T> 

Parameters

 

source

Type: System.Collections.Generic.IEnumerable(T)

Type Parameters

 

T

Return Value

Type: Maybe(T)

Usage Note

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

See Also

Reference

EnumerableExtensions Class
CSharpx Namespace