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 8, Windows 7, Windows Server 2012, Windows Server 2008 R2
Version Information
F# Core Library Versions
Supported in: 2.0, 4.0, Portable