MoreEnumerableTraceTSource(IEnumerableTSource, String) Method

Traces the elements of a source sequence for diagnostics using custom formatting.

Definition

Namespace: MoreLinq
Assembly: MoreLinq (in MoreLinq.dll) Version: 3.4.0+b99a6a8cc504caf2d48372fe54a2f8116c59cd0c

C#

public static IEnumerable<TSource> Trace<TSource>(
	this IEnumerable<TSource> source,
	string? format
)

VB

<ExtensionAttribute>
Public Shared Function Trace(Of TSource) ( 
	source As IEnumerable(Of TSource),
	format As String
) As IEnumerable(Of TSource)

C++

public:
[ExtensionAttribute]
generic<typename TSource>
static IEnumerable<TSource>^ Trace(
	IEnumerable<TSource>^ source, 
	String^ format
)

F#

[<ExtensionAttribute>]
static member Trace : 
        source : IEnumerable<'TSource> * 
        format : string -> IEnumerable<'TSource>

source IEnumerableTSource: Source sequence whose elements to trace.
format String: String to use to format the trace message. If null then the element value becomes the traced message.

IEnumerableTSource
Return the source sequence unmodified.

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

This a pass-through operator that uses deferred execution and streams the results.