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NullableOperators.( ?= )<'T> Function (F#)

Den Delimarsky|Last Updated: 7/18/2016
1 Contributor

The = operator where a nullable value appears on the left.

Namespace/Module Path: Microsoft.FSharp.Linq.NullableOperators

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


// Signature:
( ?= ) : Nullable<'T> -> 'T -> bool when 'T : equality and 'T : (new : unit ->  'T) and 'T : struct and 'T :> ValueType

// Usage:
nullableValue ?= value


nullableValue Type: System.Nullable`1<'T>

The first input value, as a nullable value.

value Type: 'T

The second input value.

Return Value

true if the first input value is numerically equal to the second input value.


If the first value is null, then the result is false.


Windows 8, Windows 7, Windows Server 2012, Windows Server 2008 R2

Version Information

F# Core Library Versions

Supported in: 4.0, Portable

See Also

Linq.NullableOperators Module (F#)

Microsoft.FSharp.Linq Namespace (F#)

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