Table of contents
TOC
Collapse the table of content
Expand the table of content

Seq.append<'T> Function (F#)

Den Delimarsky|Last Updated: 7/25/2016
|
1 Contributor

Wraps the two given enumerations as a single concatenated enumeration.

Namespace/Module Path: Microsoft.FSharp.Collections.Seq

Assembly: FSharp.Core (in FSharp.Core.dll)

Syntax

// Signature:
Seq.append : seq<'T> -> seq<'T> -> seq<'T>

// Usage:
Seq.append source1 source2

Parameters

source1 Type: seq<'T>

The first sequence.

source2 Type: seq<'T>

The second sequence.

Exceptions

ExceptionCondition
ArgumentNullExceptionThrown when the input sequence is null

Return Value

The result sequence.

Remarks

The returned sequence may be passed between threads safely. However, individual System.Collections.Generic.IEnumerator<T> values generated from the returned sequence should not be accessed concurrently.

This function is named Append in compiled assemblies. If you are accessing the function from a language other than F#, or through reflection, use this name.

Example

The following example hows how to use Seq.append.


printfn "%A" (Seq.append [| 1; 2; 3|] [ 4; 5; 6])

Output

seq [1; 2; 3; 4; ...]

Platforms

Windows 8, Windows 7, Windows Server 2012, Windows Server 2008 R2

Version Information

F# Core Library Versions

Supported in: 2.0, 4.0, Portable

See Also

Collections.Seq Module (F#)

Microsoft.FSharp.Collections Namespace (F#)

© 2017 Microsoft