Option.get<'T> Function (F#)

Artigo
04/28/2015

Gets the value associated with the option.

Namespace/Module Path: Microsoft.FSharp.Core.Option

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

// Signature:
get : 'T option -> 'T

// Usage:
get option

Parameters

option
Type: 'Toption

The input option.

Exceptions

Exception	Condition
ArgumentException	Thrown when the option is None.

Return Value

The value within the option.

Remarks

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

Example

The following code illustrates the use of Option.get.

let printOption opt =
    if (Option.isSome opt) then
        printfn "%A" <| Option.get opt
    else ()
printOption (Some(1))
printOption (Some("xyz"))
printOption (None)
printOption (Some(1.0))

Output

1
"xyz"
1.0

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

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