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

  • Article

The = operator where a nullable value appears on both left and right sides.

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

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

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

// Usage:
 nullableValue1 ?=? nullableValue2

Parameters

  • nullableValue1
    Type: Nullable<T><'T>

    The first input value, as a nullable value.

  • nullableValue2
    Type: Nullable<T><'T>

    The second input value, as a nullable value.

Return Value

True if the input values are numerically equal.

Remarks

If either of the values is null, the result is false. Even if both sides are null, the result is false.

Platforms

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

Version Information

F# Core Library Versions

Supported in: 4.0, Portable

See Also

Reference

Linq.NullableOperators Module (F#)

Microsoft.FSharp.Linq Namespace (F#)