F# FormattingNullable
Functions and values
| Function or value | Description |
( &? ) a b
Signature: a:Nullable<bool> -> b:Nullable<bool> -> Nullable<bool>
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( *? ) a b
Signature: a:Nullable<^?21411> -> b:Nullable<^?21412> -> Nullable<^?21413>
Type parameters: ^?21411, ^?21412, ^?21413 |
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( /? ) a b
Signature: a:Nullable<^?21415> -> b:Nullable<^?21416> -> Nullable<^?21417>
Type parameters: ^?21415, ^?21416, ^?21417 |
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( -? ) a b
Signature: a:Nullable<^?21407> -> b:Nullable<^?21408> -> Nullable<^?21409>
Type parameters: ^?21407, ^?21408, ^?21409 |
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( |? ) a b
Signature: a:Nullable<bool> -> b:Nullable<bool> -> Nullable<bool>
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( +? ) a b
Signature: a:Nullable<^?21403> -> b:Nullable<^?21404> -> Nullable<^?21405>
Type parameters: ^?21403, ^?21404, ^?21405 |
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( <? ) a b
Signature: a:Nullable<'?21423> -> b:Nullable<'?21423> -> bool
Type parameters: '?21423 |
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( <=? ) a b
Signature: a:Nullable<'?21425> -> b:Nullable<'?21425> -> bool
Type parameters: '?21425 |
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( >? ) a b
Signature: a:Nullable<'?21419> -> b:Nullable<'?21419> -> bool
Type parameters: '?21419 |
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( >=? ) a b
Signature: a:Nullable<'?21421> -> b:Nullable<'?21421> -> bool
Type parameters: '?21421 |
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bind f x
Signature: f:('?21368 -> Nullable<'?21369>) -> x:Nullable<'?21368> -> Nullable<'?21369>
Type parameters: '?21368, '?21369 |
Monadic bind |
count x
Signature: x:Nullable<'?21375> -> int
Type parameters: '?21375 |
Returns 1 if Nullable has value, otherwise 0 |
create x
Signature: x:'?21356 -> Nullable<'?21356>
Type parameters: '?21356 |
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exists p x
Signature: p:(Nullable<'?21383> -> bool) -> x:Nullable<'?21383> -> bool
Type parameters: '?21383 |
Evaluates the equivalent of List.exists for a nullable. |
fold f state x
Signature: f:('?21377 -> '?21378 -> '?21377) -> state:'?21377 -> x:Nullable<'?21378> -> '?21377
Type parameters: '?21377, '?21378 |
Evaluates the equivalent of List.fold for a nullable. |
foldBack f x state
Signature: f:(Nullable<'?21380> -> '?21381 -> '?21381) -> x:Nullable<'?21380> -> state:'?21381 -> '?21381
Type parameters: '?21380, '?21381 |
Performs the equivalent of the List.foldBack operation on a nullable. |
forall p x
Signature: p:(Nullable<'?21385> -> bool) -> x:Nullable<'?21385> -> bool
Type parameters: '?21385 |
Evaluates the equivalent of List.forall for a nullable. |
get x
Signature: x:Nullable<'?21362> -> '?21362
Type parameters: '?21362 |
Gets the value associated with the Nullable. If no value, throws. |
getOrDefault n v
Signature: n:Nullable<'?21358> -> v:'?21358 -> '?21358
Type parameters: '?21358 |
Gets the value associated with the nullable or the supplied default value. |
getOrElse n v
Signature: n:Nullable<'T> -> v:Lazy<'T> -> 'T
Type parameters: 'T |
Gets the value associated with the nullable or the supplied default value. |
hasValue x
Signature: x:Nullable<'?21371> -> bool
Type parameters: '?21371 |
True if Nullable has value |
isNull x
Signature: x:Nullable<'?21373> -> bool
Type parameters: '?21373 |
True if Nullable does not have value |
iter f x
Signature: f:('?21387 -> unit) -> x:Nullable<'?21387> -> unit
Type parameters: '?21387 |
Executes a function for a nullable value. |
lift2 f a b
Signature: f:('?21396 -> '?21397 -> '?21398) -> a:Nullable<'?21396> -> b:Nullable<'?21397> -> Nullable<'?21398>
Type parameters: '?21396, '?21397, '?21398 |
Promote a function to a monad/applicative, scanning the monadic/applicative arguments from left to right. |
map f x
Signature: f:('?21389 -> '?21390) -> x:Nullable<'?21389> -> Nullable<'?21390>
Type parameters: '?21389, '?21390 |
Transforms a Nullable value by using a specified mapping function. |
mapBool op a b
Signature: op:('?21400 -> '?21401 -> bool) -> a:Nullable<'?21400> -> b:Nullable<'?21401> -> bool
Type parameters: '?21400, '?21401 |
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notn a
Signature: a:Nullable<bool> -> Nullable<bool>
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ofOption
Signature: '?21364 option -> Nullable<'?21364>
Type parameters: '?21364 |
Converts option to nullable |
toArray x
Signature: x:Nullable<'?21392> -> '?21392 []
Type parameters: '?21392 |
Convert the nullable to an array of length 0 or 1. |
toList x
Signature: x:Nullable<'?21394> -> '?21394 list
Type parameters: '?21394 |
Convert the nullable to a list of length 0 or 1. |
toOption
Signature: Nullable<'?21366> -> '?21366 option
Type parameters: '?21366 |
Converts nullable to option |
Type extensions
| Type extension | Description |
n
Signature: Nullable<Int32>
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n
Signature: Nullable<Int32>
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n
Signature: Nullable<Double>
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n
Signature: Nullable<Double>
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n
Signature: Nullable<Single>
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n
Signature: Nullable<Single>
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n
Signature: Nullable<Byte>
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n
Signature: Nullable<Byte>
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n
Signature: Nullable<Int64>
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n
Signature: Nullable<Int64>
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n
Signature: Nullable<Decimal>
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n
Signature: Nullable<Decimal>
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Active patterns
| Active pattern | Description |
( |Null|Value| ) x
Signature: x:Nullable<'?21354> -> Choice<unit,'?21354>
Type parameters: '?21354 |
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