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Visual Studio 2012
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F# Core Library Reference
Microsoft.FSharp.Linq Namespace (F#)
Linq.NullableOperators Module (F#)
NullableOperators.( %? )<^T1,^T2,^T3> Function (F#)
NullableOperators.( *? )<^T1,^T2,^T3> Function (F#)
NullableOperators.( +? )<^T1,^T2,^T3> Function (F#)
NullableOperators.( -? )<^T1,^T2,^T3> Function (F#)
NullableOperators.( /? )<^T1,^T2,^T3> Function (F#)
NullableOperators.( <=? )<'T> Function (F#)
NullableOperators.( <>? )<'T> Function (F#)
NullableOperators.( <? )<'T> Function (F#)
NullableOperators.( =? )<'T> Function (F#)
NullableOperators.( >=? )<'T> Function (F#)
NullableOperators.( >? )<'T> Function (F#)
NullableOperators.( ?%)<^T1,^T2,^T3> Function (F#)
NullableOperators.( ?% ?)<^T1,^T2,^T3> Function (F#)
NullableOperators.( ?* )<^T1,^T2,^T3> Function (F#)
NullableOperators.( ?*? )<^T1,^T2,^T3> Function (F#)
NullableOperators.( ?+ )<^T1,^T2,^T3> Function (F#)
NullableOperators.( ?+? )<^T1,^T2,^T3> Function (F#)
NullableOperators.( ?- )<^T1,^T2,^T3> Function (F#)
NullableOperators.( ?-? )<^T1,^T2,^T3> Function (F#)
NullableOperators.( ?/ )<^T1,^T2,^T3> Function (F#)
NullableOperators.( ?/? )<^T1,^T2,^T3> Function (F#)
NullableOperators.( ?< )<'T> Function (F#)
NullableOperators.( ?<= )<'T> Function (F#)
NullableOperators.( ?<=? )<'T> Function (F#)
NullableOperators.( ?<> )<'T> Function (F#)
NullableOperators.( ?<>? )<'T> Function (F#)
NullableOperators.( ?<? )<'T> Function (F#)
NullableOperators.( ?= )<'T> Function (F#)
NullableOperators.( ?=? )<'T> Function (F#)
NullableOperators.( ?> )<'T> Function (F#)
NullableOperators.( ?>= )<'T> Function (F#)
NullableOperators.( ?>=? )<'T> Function (F#)
NullableOperators.( ?>? )<'T> Function (F#)
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NullableOperators.( -? )<^T1,^T2,^T3> Function (F#)

Visual Studio 2012

The subtraction operator where a nullable value appears on the right.

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

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

Copy 
// Signature:
( -? ) : ^T1 -> Nullable<^T2> -> Nullable<^T3> when ^T1 with static member (-) and ^T2 with static member (-) and ^T2 : (new : unit ->  ^T2) and ^T2 : struct and ^T2 :> ValueType and ^T3 : (new : unit ->  ^T3) and ^T3 : struct and ^T3 :> ValueType

// Usage:
 -?
value

Type: ^T1

The first input value.

nullableValue

Type: Nullable<T><^T2>

The second input value, as a nullable value.

The result of the subtraction, as a nullable value.

If the second value is null, then the result is null.

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

F# Core Library Versions

Supported in: 4.0, Portable

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