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

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


Type: Nullable<T><'T>

The first input value, as a nullable value.


Type: 'T

The second input 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

F# Core Library Versions

Supported in: 4.0, Portable

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