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Core.Choice<'T1,'T2> Union (F#)

  • Article

Helper types for active patterns with two choices.

Namespace/Module Path: Microsoft.FSharp.Core

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

[<StructuralEquality>]
[<StructuralComparison>]
type Choice<'T1,'T2> =
| Choice1Of2 of 'T1
| Choice2Of2 of 'T2
 with
  interface IStructuralEquatable
  interface IComparable
  interface IComparable
  interface IStructuralComparable
 end

Union Cases

Case

Description

Choice1Of2 of 'T1

The first choice.

Choice2Of2 of 'T2

The second choice.

Platforms

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

Version Information

F# Runtime

Supported in: 2.0, 4.0

Silverlight

Supported in: 3

See Also

Reference

Microsoft.FSharp.Core Namespace (F#)