MoreEnumerableTraceTSource Method (IEnumerableTSource, FuncTSource, String) |
Traces the elements of a source sequence for diagnostics using
a custom formatter.
Namespace:
MoreLinq
Assembly:
MoreLinq (in MoreLinq.dll) Version: 2.4.0
Syntax public static IEnumerable<TSource> Trace<TSource>(
this IEnumerable<TSource> source,
Func<TSource, string> formatter
)
<ExtensionAttribute>
Public Shared Function Trace(Of TSource) (
source As IEnumerable(Of TSource),
formatter As Func(Of TSource, String)
) As IEnumerable(Of TSource)
public:
[ExtensionAttribute]
generic<typename TSource>
static IEnumerable<TSource>^ Trace(
IEnumerable<TSource>^ source,
Func<TSource, String^>^ formatter
)
[<ExtensionAttribute>]
static member Trace :
source : IEnumerable<'TSource> *
formatter : Func<'TSource, string> -> IEnumerable<'TSource>
Parameters
- source
- Type: System.Collections.GenericIEnumerableTSource
Source sequence whose elements to trace. - formatter
- Type: SystemFuncTSource, String
Function used to format each source element into a string.
Type Parameters
- TSource
- Type of element in the source sequence
Return Value
Type:
IEnumerableTSource
Return the source sequence unmodified.
Usage Note
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).
Remarks
This a pass-through operator that uses deferred execution and
streams the results.
See Also