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Seq.map2<'T1,'T2,'U> Function (F#)
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Seq.map2<'T1,'T2,'U> Function (F#)

Creates a new collection whose elements are the results of applying the given function to the corresponding pairs of elements from the two sequences. If one input sequence is shorter than the other then the remaining elements of the longer sequence are ignored.

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

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

// Signature:
Seq.map2 : ('T1 -> 'T2 -> 'U) -> seq<'T1> -> seq<'T2> -> seq<'U>

// Usage:
Seq.map2 mapping source1 source2

mapping

Type: 'T1 -> 'T2 -> 'U

A function to transform pairs of items from the input sequences.

source1

Type: seq<'T1>

The first input sequence.

source2

Type: seq<'T2>

The second input sequence.

Exception

Condition

ArgumentNullException

Thrown when either of the input sequences is null.

The result sequence.

This function is named Map2 in compiled assemblies. If you are accessing the function from a language other than F#, or through reflection, use this name.

Windows 7, Windows Vista SP2, Windows XP SP3, Windows XP x64 SP2, Windows Server 2008 R2, Windows Server 2008 SP2, Windows Server 2003 SP2

F# Runtime

Supported in: 2.0, 4.0

Silverlight

Supported in: 3

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