Option.IsSome<'T> Property (F#)
Evaluates whether the option contains a real value, that is, whether the option is Some for some value.
Namespace/Module Path: Microsoft.FSharp.Core
Assembly: FSharp.Core (in FSharp.Core.dll)
// Signature:
member this.IsSome : bool
// Usage:
option.IsSome
Return Value
Returns true if the option is a Some value.
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