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Core.Choice<'T1,'T2,'T3,'T4> Union (F#)

  • Article

Helper types for active patterns with four choices.

Namespace/Module Path: Microsoft.FSharp.Core

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

[<StructuralEquality>]
[<StructuralComparison>]
type Choice<'T1,'T2,'T3,'T4> =
| Choice1Of4 of 'T1
| Choice2Of4 of 'T2
| Choice3Of4 of 'T3
| Choice4Of4 of 'T4
 with
  interface IStructuralEquatable
  interface IComparable
  interface IComparable
  interface IStructuralComparable
 end

Union Cases

Case

Description

Choice1Of4 of 'T1

The first choice.

Choice2Of4 of 'T2

The second choice.

Choice3Of4 of 'T3

The third choice.

Choice4Of4 of 'T4

The fourth 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#)