NullableOperators (FSharp.Core)

NullableOperators Module

Namespace: FSharp.Linq
Assembly: FSharp.Core.dll

Operators for working with nullable values, primarily used on F# queries.

Functions and values

Function or value	Description
`arg0 ? arg1` Full Usage: `arg0 ? arg1` Parameters: arg0 : `^T1` arg1 : `Nullable<^T2>` Returns: `Nullable<^T3>` Modifiers: inline Type parameters: ^T1, ^T2, ^T3 (requires (static member op_Multiply : ^T1 * ^T2 -> ^T3) and (static member op_Multiply : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T2) and struct and :> System.ValueType and (new : unit -> ^T3) and struct and :> System.ValueType)	The multiplication operator where a nullable value appears on the right This operator is primarily for use in F# queries arg0 : `^T1` arg1 : `Nullable<^T2>` Returns: `Nullable<^T3>` Example See the other operators in this module for related examples.
`arg0 ?* arg1` Full Usage: `arg0 ?* arg1` Parameters: arg0 : `Nullable<^T1>` arg1 : `^T2` Returns: `Nullable<^T3>` Modifiers: inline Type parameters: ^T1, ^T2, ^T3 (requires (static member op_Multiply : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T1) and struct and :> System.ValueType and (static member op_Multiply : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T3) and struct and :> System.ValueType)	The multiplication operator where a nullable value appears on the left This operator is primarily for use in F# queries arg0 : `Nullable<^T1>` arg1 : `^T2` Returns: `Nullable<^T3>` Example See the other operators in this module for related examples.
`arg0 %? arg1` Full Usage: `arg0 %? arg1` Parameters: arg0 : `^T1` arg1 : `Nullable<^T2>` Returns: `Nullable<^T3>` Modifiers: inline Type parameters: ^T1, ^T2, ^T3 (requires (static member op_Modulus : ^T1 * ^T2 -> ^T3) and (static member op_Modulus : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T2) and struct and :> System.ValueType and (new : unit -> ^T3) and struct and :> System.ValueType)	The modulus operator where a nullable value appears on the right This operator is primarily for use in F# queries arg0 : `^T1` arg1 : `Nullable<^T2>` Returns: `Nullable<^T3>` Example See the other operators in this module for related examples.
`arg0 +? arg1` Full Usage: `arg0 +? arg1` Parameters: arg0 : `^T1` arg1 : `Nullable<^T2>` Returns: `Nullable<^T3>` Modifiers: inline Type parameters: ^T1, ^T2, ^T3 (requires (static member op_Addition : ^T1 * ^T2 -> ^T3) and (static member op_Addition : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T2) and struct and :> System.ValueType and (new : unit -> ^T3) and struct and :> System.ValueType)	The addition operator where a nullable value appears on the right This operator is primarily for use in F# queries arg0 : `^T1` arg1 : `Nullable<^T2>` Returns: `Nullable<^T3>` Example See the other operators in this module for related examples.
`arg0 -? arg1` Full Usage: `arg0 -? arg1` Parameters: arg0 : `^T1` arg1 : `Nullable<^T2>` Returns: `Nullable<^T3>` Modifiers: inline Type parameters: ^T1, ^T2, ^T3 (requires (static member op_Subtraction : ^T1 * ^T2 -> ^T3) and (static member op_Subtraction : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T2) and struct and :> System.ValueType and (new : unit -> ^T3) and struct and :> System.ValueType)	The subtraction operator where a nullable value appears on the right This operator is primarily for use in F# queries arg0 : `^T1` arg1 : `Nullable<^T2>` Returns: `Nullable<^T3>` Example See the other operators in this module for related examples.
`arg0 /? arg1` Full Usage: `arg0 /? arg1` Parameters: arg0 : `^T1` arg1 : `Nullable<^T2>` Returns: `Nullable<^T3>` Modifiers: inline Type parameters: ^T1, ^T2, ^T3 (requires (static member op_Division : ^T1 * ^T2 -> ^T3) and (static member op_Division : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T2) and struct and :> System.ValueType and (new : unit -> ^T3) and struct and :> System.ValueType)	The division operator where a nullable value appears on the right This operator is primarily for use in F# queries arg0 : `^T1` arg1 : `Nullable<^T2>` Returns: `Nullable<^T3>` Example See the other operators in this module for related examples.
`arg0 <=? arg1` Full Usage: `arg0 <=? arg1` Parameters: arg0 : `'T` arg1 : `Nullable<'T>` Returns: `bool` Type parameters: 'T (requires comparison and (new : unit -> 'T) and struct and :> System.ValueType)	The '<=' operator where a nullable value appears on the right This operator is primarily for use in F# queries arg0 : `'T` arg1 : `Nullable<'T>` Returns: `bool` Example See the other operators in this module for related examples.
`arg0 <>? arg1` Full Usage: `arg0 <>? arg1` Parameters: arg0 : `'T` arg1 : `Nullable<'T>` Returns: `bool` Type parameters: 'T (requires equality and (new : unit -> 'T) and struct and :> System.ValueType)	The '<>' operator where a nullable value appears on the right This operator is primarily for use in F# queries arg0 : `'T` arg1 : `Nullable<'T>` Returns: `bool` Example See the other operators in this module for related examples.
`arg0 <? arg1` Full Usage: `arg0 <? arg1` Parameters: arg0 : `'T` arg1 : `Nullable<'T>` Returns: `bool` Type parameters: 'T (requires comparison and (new : unit -> 'T) and struct and :> System.ValueType)	The '<' operator where a nullable value appears on the right This operator is primarily for use in F# queries arg0 : `'T` arg1 : `Nullable<'T>` Returns: `bool` Example See the other operators in this module for related examples.
`arg0 =? arg1` Full Usage: `arg0 =? arg1` Parameters: arg0 : `'T` arg1 : `Nullable<'T>` Returns: `bool` Type parameters: 'T (requires equality and (new : unit -> 'T) and struct and :> System.ValueType)	The '=' operator where a nullable value appears on the right This operator is primarily for use in F# queries arg0 : `'T` arg1 : `Nullable<'T>` Returns: `bool` Example See the other operators in this module for related examples.
`arg0 >=? arg1` Full Usage: `arg0 >=? arg1` Parameters: arg0 : `'T` arg1 : `Nullable<'T>` Returns: `bool` Type parameters: 'T (requires comparison and (new : unit -> 'T) and struct and :> System.ValueType)	The '>=' operator where a nullable value appears on the right This operator is primarily for use in F# queries arg0 : `'T` arg1 : `Nullable<'T>` Returns: `bool` Example See the other operators in this module for related examples.
`arg0 >? arg1` Full Usage: `arg0 >? arg1` Parameters: arg0 : `'T` arg1 : `Nullable<'T>` Returns: `bool` Type parameters: 'T (requires comparison and (new : unit -> 'T) and struct and :> System.ValueType)	The '>' operator where a nullable value appears on the right This operator is primarily for use in F# queries arg0 : `'T` arg1 : `Nullable<'T>` Returns: `bool` Example See the other operators in this module for related examples.
`arg0 ?% arg1` Full Usage: `arg0 ?% arg1` Parameters: arg0 : `Nullable<^T1>` arg1 : `^T2` Returns: `Nullable<^T3>` Modifiers: inline Type parameters: ^T1, ^T2, ^T3 (requires (static member op_Modulus : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T1) and struct and :> System.ValueType and (static member op_Modulus : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T3) and struct and :> System.ValueType)	The modulus operator where a nullable value appears on the left This operator is primarily for use in F# queries arg0 : `Nullable<^T1>` arg1 : `^T2` Returns: `Nullable<^T3>` Example See the other operators in this module for related examples.
`arg0 ?%? arg1` Full Usage: `arg0 ?%? arg1` Parameters: arg0 : `Nullable<^T1>` arg1 : `Nullable<^T2>` Returns: `Nullable<^T3>` Modifiers: inline Type parameters: ^T1, ^T2, ^T3 (requires (static member op_Modulus : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T1) and struct and :> System.ValueType and (static member op_Modulus : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T2) and struct and :> System.ValueType and (new : unit -> ^T3) and struct and :> System.ValueType)	The modulus operator where a nullable value appears on both left and right sides This operator is primarily for use in F# queries arg0 : `Nullable<^T1>` arg1 : `Nullable<^T2>` Returns: `Nullable<^T3>` Example See the other operators in this module for related examples.
`arg0 ?? arg1` Full Usage: `arg0 ?? arg1` Parameters: arg0 : `Nullable<^T1>` arg1 : `Nullable<^T2>` Returns: `Nullable<^T3>` Modifiers: inline Type parameters: ^T1, ^T2, ^T3 (requires (static member op_Multiply : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T1) and struct and :> System.ValueType and (static member op_Multiply : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T2) and struct and :> System.ValueType and (new : unit -> ^T3) and struct and :> System.ValueType)	The multiplication operator where a nullable value appears on both left and right sides This operator is primarily for use in F# queries arg0 : `Nullable<^T1>` arg1 : `Nullable<^T2>` Returns: `Nullable<^T3>` Example See the other operators in this module for related examples.
`arg0 ?+ arg1` Full Usage: `arg0 ?+ arg1` Parameters: arg0 : `Nullable<^T1>` arg1 : `^T2` Returns: `Nullable<^T3>` Modifiers: inline Type parameters: ^T1, ^T2, ^T3 (requires (static member op_Addition : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T1) and struct and :> System.ValueType and (static member op_Addition : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T3) and struct and :> System.ValueType)	The addition operator where a nullable value appears on the left This operator is primarily for use in F# queries arg0 : `Nullable<^T1>` arg1 : `^T2` Returns: `Nullable<^T3>` Example See the other operators in this module for related examples.
`arg0 ?+? arg1` Full Usage: `arg0 ?+? arg1` Parameters: arg0 : `Nullable<^T1>` arg1 : `Nullable<^T2>` Returns: `Nullable<^T3>` Modifiers: inline Type parameters: ^T1, ^T2, ^T3 (requires (static member op_Addition : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T1) and struct and :> System.ValueType and (static member op_Addition : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T2) and struct and :> System.ValueType and (new : unit -> ^T3) and struct and :> System.ValueType)	The addition operator where a nullable value appears on both left and right sides This operator is primarily for use in F# queries arg0 : `Nullable<^T1>` arg1 : `Nullable<^T2>` Returns: `Nullable<^T3>` Example See the other operators in this module for related examples.
`arg0 ?- arg1` Full Usage: `arg0 ?- arg1` Parameters: arg0 : `Nullable<^T1>` arg1 : `^T2` Returns: `Nullable<^T3>` Modifiers: inline Type parameters: ^T1, ^T2, ^T3 (requires (static member op_Subtraction : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T1) and struct and :> System.ValueType and (static member op_Subtraction : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T3) and struct and :> System.ValueType)	The subtraction operator where a nullable value appears on the left This operator is primarily for use in F# queries arg0 : `Nullable<^T1>` arg1 : `^T2` Returns: `Nullable<^T3>` Example See the other operators in this module for related examples.
`arg0 ?-? arg1` Full Usage: `arg0 ?-? arg1` Parameters: arg0 : `Nullable<^T1>` arg1 : `Nullable<^T2>` Returns: `Nullable<^T3>` Modifiers: inline Type parameters: ^T1, ^T2, ^T3 (requires (static member op_Subtraction : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T1) and struct and :> System.ValueType and (static member op_Subtraction : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T2) and struct and :> System.ValueType and (new : unit -> ^T3) and struct and :> System.ValueType)	The subtraction operator where a nullable value appears on both left and right sides This operator is primarily for use in F# queries arg0 : `Nullable<^T1>` arg1 : `Nullable<^T2>` Returns: `Nullable<^T3>` Example See the other operators in this module for related examples.
`arg0 ?/ arg1` Full Usage: `arg0 ?/ arg1` Parameters: arg0 : `Nullable<^T1>` arg1 : `^T2` Returns: `Nullable<^T3>` Modifiers: inline Type parameters: ^T1, ^T2, ^T3 (requires (static member op_Division : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T1) and struct and :> System.ValueType and (static member op_Division : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T3) and struct and :> System.ValueType)	The division operator where a nullable value appears on the left This operator is primarily for use in F# queries arg0 : `Nullable<^T1>` arg1 : `^T2` Returns: `Nullable<^T3>` Example See the other operators in this module for related examples.
`arg0 ?/? arg1` Full Usage: `arg0 ?/? arg1` Parameters: arg0 : `Nullable<^T1>` arg1 : `Nullable<^T2>` Returns: `Nullable<^T3>` Modifiers: inline Type parameters: ^T1, ^T2, ^T3 (requires (static member op_Division : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T1) and struct and :> System.ValueType and (static member op_Division : ^T1 * ^T2 -> ^T3) and (new : unit -> ^T2) and struct and :> System.ValueType and (new : unit -> ^T3) and struct and :> System.ValueType)	The division operator where a nullable value appears on both left and right sides This operator is primarily for use in F# queries arg0 : `Nullable<^T1>` arg1 : `Nullable<^T2>` Returns: `Nullable<^T3>` Example See the other operators in this module for related examples.
`arg0 ?< arg1` Full Usage: `arg0 ?< arg1` Parameters: arg0 : `Nullable<'T>` arg1 : `'T` Returns: `bool` Type parameters: 'T (requires comparison and (new : unit -> 'T) and struct and :> System.ValueType)	The '<' operator where a nullable value appears on the left This operator is primarily for use in F# queries arg0 : `Nullable<'T>` arg1 : `'T` Returns: `bool` Example `open FSharp.Linq.NullableOperators Nullable(3) ?< 4 // true Nullable(4) ?< 4 // false Nullable() ?< 4 // false` Multiple items namespace FSharp -------------------- namespace Microsoft.FSharp namespace Microsoft.FSharp.Linq module NullableOperators from Microsoft.FSharp.Linq
`arg0 ?<= arg1` Full Usage: `arg0 ?<= arg1` Parameters: arg0 : `Nullable<'T>` arg1 : `'T` Returns: `bool` Type parameters: 'T (requires comparison and (new : unit -> 'T) and struct and :> System.ValueType)	The '<=' operator where a nullable value appears on the left This operator is primarily for use in F# queries arg0 : `Nullable<'T>` arg1 : `'T` Returns: `bool` Example `open FSharp.Linq.NullableOperators Nullable(3) ?<= 4 // true Nullable(5) ?<= 4 // false Nullable() ?<= 4 // false` Multiple items namespace FSharp -------------------- namespace Microsoft.FSharp namespace Microsoft.FSharp.Linq module NullableOperators from Microsoft.FSharp.Linq
`arg0 ?<=? arg1` Full Usage: `arg0 ?<=? arg1` Parameters: arg0 : `Nullable<'T>` arg1 : `Nullable<'T>` Returns: `bool` Type parameters: 'T (requires comparison and (new : unit -> 'T) and struct and :> System.ValueType)	The '<=' operator where a nullable value appears on both left and right sides This operator is primarily for use in F# queries arg0 : `Nullable<'T>` arg1 : `Nullable<'T>` Returns: `bool` Example See the other operators in this module for related examples.
`arg0 ?<> arg1` Full Usage: `arg0 ?<> arg1` Parameters: arg0 : `Nullable<'T>` arg1 : `'T` Returns: `bool` Type parameters: 'T (requires equality and (new : unit -> 'T) and struct and :> System.ValueType)	The '<>' operator where a nullable value appears on the left This operator is primarily for use in F# queries arg0 : `Nullable<'T>` arg1 : `'T` Returns: `bool` Example `open FSharp.Linq.NullableOperators Nullable(3) ?<>= 4 // true Nullable(4) ?<>= 4 // false Nullable() ?<> 4 // true` Multiple items namespace FSharp -------------------- namespace Microsoft.FSharp namespace Microsoft.FSharp.Linq module NullableOperators from Microsoft.FSharp.Linq
`arg0 ?<>? arg1` Full Usage: `arg0 ?<>? arg1` Parameters: arg0 : `Nullable<'T>` arg1 : `Nullable<'T>` Returns: `bool` Type parameters: 'T (requires equality and (new : unit -> 'T) and struct and :> System.ValueType)	The '<>' operator where a nullable value appears on both left and right sides This operator is primarily for use in F# queries arg0 : `Nullable<'T>` arg1 : `Nullable<'T>` Returns: `bool` Example See the other operators in this module for related examples.
`arg0 ?<? arg1` Full Usage: `arg0 ?<? arg1` Parameters: arg0 : `Nullable<'T>` arg1 : `Nullable<'T>` Returns: `bool` Type parameters: 'T (requires comparison and (new : unit -> 'T) and struct and :> System.ValueType)	The '<' operator where a nullable value appears on both left and right sides This operator is primarily for use in F# queries arg0 : `Nullable<'T>` arg1 : `Nullable<'T>` Returns: `bool` Example See the other operators in this module for related examples.
`arg0 ?= arg1` Full Usage: `arg0 ?= arg1` Parameters: arg0 : `Nullable<'T>` arg1 : `'T` Returns: `bool` Type parameters: 'T (requires equality and (new : unit -> 'T) and struct and :> System.ValueType)	The '=' operator where a nullable value appears on the left This operator is primarily for use in F# queries arg0 : `Nullable<'T>` arg1 : `'T` Returns: `bool` Example `open FSharp.Linq.NullableOperators Nullable(3) ?= 4 // false Nullable(4) ?= 4 // true Nullable() ?= 4 // false` Multiple items namespace FSharp -------------------- namespace Microsoft.FSharp namespace Microsoft.FSharp.Linq module NullableOperators from Microsoft.FSharp.Linq
`arg0 ?=? arg1` Full Usage: `arg0 ?=? arg1` Parameters: arg0 : `Nullable<'T>` arg1 : `Nullable<'T>` Returns: `bool` Type parameters: 'T (requires equality and (new : unit -> 'T) and struct and :> System.ValueType)	The '=' operator where a nullable value appears on both left and right sides This operator is primarily for use in F# queries arg0 : `Nullable<'T>` arg1 : `Nullable<'T>` Returns: `bool` Example See the other operators in this module for related examples.
`arg0 ?> arg1` Full Usage: `arg0 ?> arg1` Parameters: arg0 : `Nullable<'T>` arg1 : `'T` Returns: `bool` Type parameters: 'T (requires comparison and (new : unit -> 'T) and struct and :> System.ValueType)	The '>' operator where a nullable value appears on the left This operator is primarily for use in F# queries arg0 : `Nullable<'T>` arg1 : `'T` Returns: `bool` Example `open FSharp.Linq.NullableOperators Nullable(3) ?> 4 // false Nullable(5) ?> 4 // true Nullable() ?> 4 // false` Multiple items namespace FSharp -------------------- namespace Microsoft.FSharp namespace Microsoft.FSharp.Linq module NullableOperators from Microsoft.FSharp.Linq
`arg0 ?>= arg1` Full Usage: `arg0 ?>= arg1` Parameters: arg0 : `Nullable<'T>` arg1 : `'T` Returns: `bool` Type parameters: 'T (requires comparison and (new : unit -> 'T) and struct and :> System.ValueType)	The '>=' operator where a nullable value appears on the left This operator is primarily for use in F# queries arg0 : `Nullable<'T>` arg1 : `'T` Returns: `bool` Example `open FSharp.Linq.NullableOperators Nullable(3) ?>= 4 // false Nullable(4) ?>= 4 // true Nullable() ?>= 4 // false` Multiple items namespace FSharp -------------------- namespace Microsoft.FSharp namespace Microsoft.FSharp.Linq module NullableOperators from Microsoft.FSharp.Linq
`arg0 ?>=? arg1` Full Usage: `arg0 ?>=? arg1` Parameters: arg0 : `Nullable<'T>` arg1 : `Nullable<'T>` Returns: `bool` Type parameters: 'T (requires comparison and (new : unit -> 'T) and struct and :> System.ValueType)	The '>=' operator where a nullable value appears on both left and right sides This operator is primarily for use in F# queries arg0 : `Nullable<'T>` arg1 : `Nullable<'T>` Returns: `bool` Example See the other operators in this module for related examples.
`arg0 ?>? arg1` Full Usage: `arg0 ?>? arg1` Parameters: arg0 : `Nullable<'T>` arg1 : `Nullable<'T>` Returns: `bool` Type parameters: 'T (requires comparison and (new : unit -> 'T) and struct and :> System.ValueType)	The '>' operator where a nullable value appears on both left and right sides This operator is primarily for use in F# queries arg0 : `Nullable<'T>` arg1 : `Nullable<'T>` Returns: `bool` Example See the other operators in this module for related examples.

NullableOperators Module

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