Prelude (FSharpx.Extras)

Prelude Module

Namespace: FSharpx
Assembly: FSharpx.Extras.dll

Functions and values

Function or value	Description
`!>x` Full Usage: `!>x` Parameters: x : `^a` Returns: `^b` Modifiers: inline Type parameters: ^a, ^b	Performs an implicit conversion using op_Implicit x : `^a` Returns: `^b`
`(^)` Full Usage: `(^)` Returns: `('a -> 'b) -> 'a -> 'b`	Sequencing operator like Haskell's ($). Has better precedence than (<\|) due to the first character used in the symbol. Returns: `('a -> 'b) -> 'a -> 'b`
`x \|>! fn` Full Usage: `x \|>! fn` Parameters: x : `'a` fn : `'a -> 'b` Returns: `'a` Modifiers: inline	Custom operator for `tee`: Given a value, apply a function to it, ignore the result, then return the original value. x : `'a` fn : `'a -> 'b` Returns: `'a`
`curry f a b` Full Usage: `curry f a b` Parameters: f : `'d * 'e -> 'f` a : `'d` b : `'e` Returns: `'f` Modifiers: inline Type parameters: 'd, 'e, 'f	Transforms an uncurried function to a curried function. f : `'d * 'e -> 'f` a : `'d` b : `'e` Returns: `'f`
`curry3 f a b c` Full Usage: `curry3 f a b c` Parameters: f : `'a * 'b * 'c -> 'd` a : `'a` b : `'b` c : `'c` Returns: `'d` Modifiers: inline	Transforms an uncurried function to a triple-curried function. f : `'a * 'b * 'c -> 'd` a : `'a` b : `'b` c : `'c` Returns: `'d`
`fix f x` Full Usage: `fix f x` Parameters: f : `('d -> 'e) -> 'd -> 'e` x : `'d` Returns: `'e`	Fixed point combinator. f : `('d -> 'e) -> 'd -> 'e` x : `'d` Returns: `'e`
`fix2 f x y` Full Usage: `fix2 f x y` Parameters: f : `('a -> 'b -> 'c) -> 'a -> 'b -> 'c` x : `'a` y : `'b` Returns: `'c`	Fixed point combinator. f : `('a -> 'b -> 'c) -> 'a -> 'b -> 'c` x : `'a` y : `'b` Returns: `'c`
`fix3 f x y z` Full Usage: `fix3 f x y z` Parameters: f : `('a -> 'b -> 'c -> 'd) -> 'a -> 'b -> 'c -> 'd` x : `'a` y : `'b` z : `'c` Returns: `'d`	Fixed point combinator. f : `('a -> 'b -> 'c -> 'd) -> 'a -> 'b -> 'c -> 'd` x : `'a` y : `'b` z : `'c` Returns: `'d`
`flip f a b` Full Usage: `flip f a b` Parameters: f : `'d -> 'e -> 'f` a : `'e` b : `'d` Returns: `'f` Modifiers: inline Type parameters: 'd, 'e, 'f	Transforms a function by flipping the order of its arguments. f : `'d -> 'e -> 'f` a : `'e` b : `'d` Returns: `'f`
`flip3 f a b c` Full Usage: `flip3 f a b c` Parameters: f : `'a -> 'b -> 'c -> 'd` a : `'b` b : `'c` c : `'a` Returns: `'d` Modifiers: inline	Transforms a function by flipping the order of its arguments. f : `'a -> 'b -> 'c -> 'd` a : `'b` b : `'c` c : `'a` Returns: `'d`
`flip4 f a b c d` Full Usage: `flip4 f a b c d` Parameters: f : `'a -> 'b -> 'c -> 'd -> 'e` a : `'b` b : `'c` c : `'d` d : `'a` Returns: `'e` Modifiers: inline	Transforms a function by flipping the order of its arguments. f : `'a -> 'b -> 'c -> 'd -> 'e` a : `'b` b : `'c` c : `'d` d : `'a` Returns: `'e`
`konst a arg2` Full Usage: `konst a arg2` Parameters: a : `'a` arg1 : `'b` Returns: `'a` Modifiers: inline	Given a value, creates a function with one ignored argument which returns the value. a : `'a` arg1 : `'b` Returns: `'a`
`konst2 a arg2 arg3` Full Usage: `konst2 a arg2 arg3` Parameters: a : `'a` arg1 : `'b` arg2 : `'c` Returns: `'a` Modifiers: inline	Given a value, creates a function with two ignored arguments which returns the value. a : `'a` arg1 : `'b` arg2 : `'c` Returns: `'a`
`reraise' e` Full Usage: `reraise' e` Parameters: e : `exn` Returns: `'T`	Rethrows an exception. This can be used even outside of try-with block. The exception object (stacktrace, etc) is not changed. e : `exn` Returns: `'T`
`reraiseWith f e` Full Usage: `reraiseWith f e` Parameters: f : `exn -> unit` e : `exn` Returns: `'T`	Rethrows an exception, but bebore that applies a function on it. This can be used even outside of try-with block. The exception object (stacktrace, etc) is not changed. f : `exn -> unit` e : `exn` Returns: `'T`
`swap (a, b)` Full Usage: `swap (a, b)` Parameters: a : `'a` b : `'b` Returns: `'b * 'a` Modifiers: inline	Swap the elements of a pair. a : `'a` b : `'b` Returns: `'b * 'a`
`tee fn x` Full Usage: `tee fn x` Parameters: fn : `'a -> 'b` x : `'a` Returns: `'a` Modifiers: inline	Given a value, apply a function to it, ignore the result, then return the original value. fn : `'a -> 'b` x : `'a` Returns: `'a`
`toOption (arg1, arg2)` Full Usage: `toOption (arg1, arg2)` Parameters: arg0 : `bool` arg1 : `'a` Returns: `'a option` Modifiers: inline	arg0 : `bool` arg1 : `'a` Returns: `'a option`
`tryWith f x` Full Usage: `tryWith f x` Parameters: f : `'a -> bool * 'b` x : `'a` Returns: `'b option` Modifiers: inline	f : `'a -> bool * 'b` x : `'a` Returns: `'b option`
`tuple2 a b` Full Usage: `tuple2 a b` Parameters: a : `'a` b : `'b` Returns: `'a * 'b` Modifiers: inline	Creates a pair a : `'a` b : `'b` Returns: `'a * 'b`
`tuple3 a b c` Full Usage: `tuple3 a b c` Parameters: a : `'a` b : `'b` c : `'c` Returns: `'a * 'b * 'c` Modifiers: inline	Creates a 3-tuple a : `'a` b : `'b` c : `'c` Returns: `'a * 'b * 'c`
`tuple4 a b c d` Full Usage: `tuple4 a b c d` Parameters: a : `'a` b : `'b` c : `'c` d : `'d` Returns: `'a * 'b * 'c * 'd` Modifiers: inline	Creates a 4-tuple a : `'a` b : `'b` c : `'c` d : `'d` Returns: `'a * 'b * 'c * 'd`
`tuple5 a b c d e` Full Usage: `tuple5 a b c d e` Parameters: a : `'a` b : `'b` c : `'c` d : `'d` e : `'e` Returns: `'a * 'b * 'c * 'd * 'e` Modifiers: inline	Creates a 5-tuple a : `'a` b : `'b` c : `'c` d : `'d` e : `'e` Returns: `'a * 'b * 'c * 'd * 'e`
`tuple6 a b c d e f` Full Usage: `tuple6 a b c d e f` Parameters: a : `'a` b : `'b` c : `'c` d : `'d` e : `'e` f : `'f` Returns: `'a * 'b * 'c * 'd * 'e * 'f` Modifiers: inline	Creates a 6-tuple a : `'a` b : `'b` c : `'c` d : `'d` e : `'e` f : `'f` Returns: `'a * 'b * 'c * 'd * 'e * 'f`
`uncurry f (a, b)` Full Usage: `uncurry f (a, b)` Parameters: f : `'a -> 'b -> 'c` a : `'a` b : `'b` Returns: `'c` Modifiers: inline	Transforms an uncurried function to a curried function. f : `'a -> 'b -> 'c` a : `'a` b : `'b` Returns: `'c`
`uncurry3 f (a, b, c)` Full Usage: `uncurry3 f (a, b, c)` Parameters: f : `'a -> 'b -> 'c -> 'd` a : `'a` b : `'b` c : `'c` Returns: `'d` Modifiers: inline	Transforms an uncurried function to a triple-curried function. f : `'a -> 'b -> 'c -> 'd` a : `'a` b : `'b` c : `'c` Returns: `'d`
`undefined` Full Usage: `undefined` Returns: `'T`	Bottom value Returns: `'T`

Type extensions

Type extension	Description
`Boolean.parse ()` Full Usage: `Boolean.parse ()` Parameters: () : `unit` Returns: `string -> bool option`	Extended Type: `Boolean` () : `unit` Returns: `string -> bool option`
`Boolean.parse` Full Usage: `Boolean.parse` Returns: `string -> bool option`	Extended Type: `Boolean` Returns: `string -> bool option`
`Byte.parse x` Full Usage: `Byte.parse x` Parameters: x : `string` Returns: `byte option`	Extended Type: `Byte` x : `string` Returns: `byte option`
`SByte.parse x` Full Usage: `SByte.parse x` Parameters: x : `string` Returns: `sbyte option`	Extended Type: `SByte` x : `string` Returns: `sbyte option`
`UInt16.parse x` Full Usage: `UInt16.parse x` Parameters: x : `string` Returns: `uint16 option`	Extended Type: `UInt16` x : `string` Returns: `uint16 option`
`Int16.parse x` Full Usage: `Int16.parse x` Parameters: x : `string` Returns: `int16 option`	Extended Type: `Int16` x : `string` Returns: `int16 option`
`UInt32.parse x` Full Usage: `UInt32.parse x` Parameters: x : `string` Returns: `uint32 option`	Extended Type: `UInt32` x : `string` Returns: `uint32 option`
`Int32.parse x` Full Usage: `Int32.parse x` Parameters: x : `string` Returns: `int option`	Extended Type: `Int32` x : `string` Returns: `int option`
`UInt64.parse x` Full Usage: `UInt64.parse x` Parameters: x : `string` Returns: `uint64 option`	Extended Type: `UInt64` x : `string` Returns: `uint64 option`
`Int64.parse x` Full Usage: `Int64.parse x` Parameters: x : `string` Returns: `int64 option`	Extended Type: `Int64` x : `string` Returns: `int64 option`
`Decimal.parse x` Full Usage: `Decimal.parse x` Parameters: x : `string` Returns: `decimal option`	Extended Type: `Decimal` x : `string` Returns: `decimal option`
`Single.parse x` Full Usage: `Single.parse x` Parameters: x : `string` Returns: `float32 option`	Extended Type: `Single` x : `string` Returns: `float32 option`
`Double.parse x` Full Usage: `Double.parse x` Parameters: x : `string` Returns: `float option`	Extended Type: `Double` x : `string` Returns: `float option`
`DateTime.parse x` Full Usage: `DateTime.parse x` Parameters: x : `string` Returns: `DateTime option`	Extended Type: `DateTime` x : `string` Returns: `DateTime option`
`DateTimeOffset.parse x` Full Usage: `DateTimeOffset.parse x` Parameters: x : `string` Returns: `DateTimeOffset option`	Extended Type: `DateTimeOffset` x : `string` Returns: `DateTimeOffset option`
`DateTime.parseExact formats x` Full Usage: `DateTime.parseExact formats x` Parameters: formats : `string[]` x : `string` Returns: `DateTime option`	Extended Type: `DateTime` formats : `string[]` x : `string` Returns: `DateTime option`
`DateTimeOffset.parseExact formats x` Full Usage: `DateTimeOffset.parseExact formats x` Parameters: formats : `string[]` x : `string` Returns: `DateTimeOffset option`	Extended Type: `DateTimeOffset` formats : `string[]` x : `string` Returns: `DateTimeOffset option`
`DateTime.parseExactWithOptions style provider formats x` Full Usage: `DateTime.parseExactWithOptions style provider formats x` Parameters: style : `DateTimeStyles` provider : `IFormatProvider` formats : `string[]` x : `string` Returns: `DateTime option`	Extended Type: `DateTime` style : `DateTimeStyles` provider : `IFormatProvider` formats : `string[]` x : `string` Returns: `DateTime option`
`DateTimeOffset.parseExactWithOptions style provider formats x` Full Usage: `DateTimeOffset.parseExactWithOptions style provider formats x` Parameters: style : `DateTimeStyles` provider : `IFormatProvider` formats : `string[]` x : `string` Returns: `DateTimeOffset option`	Extended Type: `DateTimeOffset` style : `DateTimeStyles` provider : `IFormatProvider` formats : `string[]` x : `string` Returns: `DateTimeOffset option`
`Byte.parseWithOptions style provider x` Full Usage: `Byte.parseWithOptions style provider x` Parameters: style : `NumberStyles` provider : `IFormatProvider` x : `string` Returns: `byte option`	Extended Type: `Byte` style : `NumberStyles` provider : `IFormatProvider` x : `string` Returns: `byte option`
`SByte.parseWithOptions style provider x` Full Usage: `SByte.parseWithOptions style provider x` Parameters: style : `NumberStyles` provider : `IFormatProvider` x : `string` Returns: `sbyte option`	Extended Type: `SByte` style : `NumberStyles` provider : `IFormatProvider` x : `string` Returns: `sbyte option`
`UInt16.parseWithOptions style provider x` Full Usage: `UInt16.parseWithOptions style provider x` Parameters: style : `NumberStyles` provider : `IFormatProvider` x : `string` Returns: `uint16 option`	Extended Type: `UInt16` style : `NumberStyles` provider : `IFormatProvider` x : `string` Returns: `uint16 option`
`Int16.parseWithOptions style provider x` Full Usage: `Int16.parseWithOptions style provider x` Parameters: style : `NumberStyles` provider : `IFormatProvider` x : `string` Returns: `int16 option`	Extended Type: `Int16` style : `NumberStyles` provider : `IFormatProvider` x : `string` Returns: `int16 option`
`UInt32.parseWithOptions style provider x` Full Usage: `UInt32.parseWithOptions style provider x` Parameters: style : `NumberStyles` provider : `IFormatProvider` x : `string` Returns: `uint32 option`	Extended Type: `UInt32` style : `NumberStyles` provider : `IFormatProvider` x : `string` Returns: `uint32 option`
`Int32.parseWithOptions style provider x` Full Usage: `Int32.parseWithOptions style provider x` Parameters: style : `NumberStyles` provider : `IFormatProvider` x : `string` Returns: `int option`	Extended Type: `Int32` style : `NumberStyles` provider : `IFormatProvider` x : `string` Returns: `int option`
`UInt64.parseWithOptions style provider x` Full Usage: `UInt64.parseWithOptions style provider x` Parameters: style : `NumberStyles` provider : `IFormatProvider` x : `string` Returns: `uint64 option`	Extended Type: `UInt64` style : `NumberStyles` provider : `IFormatProvider` x : `string` Returns: `uint64 option`
`Int64.parseWithOptions style provider x` Full Usage: `Int64.parseWithOptions style provider x` Parameters: style : `NumberStyles` provider : `IFormatProvider` x : `string` Returns: `int64 option`	Extended Type: `Int64` style : `NumberStyles` provider : `IFormatProvider` x : `string` Returns: `int64 option`
`Decimal.parseWithOptions style provider x` Full Usage: `Decimal.parseWithOptions style provider x` Parameters: style : `NumberStyles` provider : `IFormatProvider` x : `string` Returns: `decimal option`	Extended Type: `Decimal` style : `NumberStyles` provider : `IFormatProvider` x : `string` Returns: `decimal option`
`Single.parseWithOptions style provider x` Full Usage: `Single.parseWithOptions style provider x` Parameters: style : `NumberStyles` provider : `IFormatProvider` x : `string` Returns: `float32 option`	Extended Type: `Single` style : `NumberStyles` provider : `IFormatProvider` x : `string` Returns: `float32 option`
`Double.parseWithOptions style provider x` Full Usage: `Double.parseWithOptions style provider x` Parameters: style : `NumberStyles` provider : `IFormatProvider` x : `string` Returns: `float option`	Extended Type: `Double` style : `NumberStyles` provider : `IFormatProvider` x : `string` Returns: `float option`
`DateTime.parseWithOptions style provider x` Full Usage: `DateTime.parseWithOptions style provider x` Parameters: style : `DateTimeStyles` provider : `IFormatProvider` x : `string` Returns: `DateTime option`	Extended Type: `DateTime` style : `DateTimeStyles` provider : `IFormatProvider` x : `string` Returns: `DateTime option`
`DateTimeOffset.parseWithOptions style provider x` Full Usage: `DateTimeOffset.parseWithOptions style provider x` Parameters: style : `DateTimeStyles` provider : `IFormatProvider` x : `string` Returns: `DateTimeOffset option`	Extended Type: `DateTimeOffset` style : `DateTimeStyles` provider : `IFormatProvider` x : `string` Returns: `DateTimeOffset option`

Active patterns

Active pattern	Description
`(\|Boolean\|_\|)` Full Usage: `(\|Boolean\|_\|)` Returns: `string -> bool option`	Returns: `string -> bool option`
`(\|Byte\|_\|) arg00` Full Usage: `(\|Byte\|_\|) arg00` Parameters: arg00 : `string` Returns: `byte option`	arg00 : `string` Returns: `byte option`
`(\|DateTimeOffset\|_\|) arg00` Full Usage: `(\|DateTimeOffset\|_\|) arg00` Parameters: arg00 : `string` Returns: `DateTimeOffset option`	arg00 : `string` Returns: `DateTimeOffset option`
`(\|DateTime\|_\|) arg00` Full Usage: `(\|DateTime\|_\|) arg00` Parameters: arg00 : `string` Returns: `DateTime option`	arg00 : `string` Returns: `DateTime option`
`(\|Decimal\|_\|) arg00` Full Usage: `(\|Decimal\|_\|) arg00` Parameters: arg00 : `string` Returns: `decimal option`	arg00 : `string` Returns: `decimal option`
`(\|Double\|_\|) arg00` Full Usage: `(\|Double\|_\|) arg00` Parameters: arg00 : `string` Returns: `float option`	arg00 : `string` Returns: `float option`
`(\|Int16\|_\|) arg00` Full Usage: `(\|Int16\|_\|) arg00` Parameters: arg00 : `string` Returns: `int16 option`	arg00 : `string` Returns: `int16 option`
`(\|Int32\|_\|) arg00` Full Usage: `(\|Int32\|_\|) arg00` Parameters: arg00 : `string` Returns: `int option`	arg00 : `string` Returns: `int option`
`(\|Int64\|_\|) arg00` Full Usage: `(\|Int64\|_\|) arg00` Parameters: arg00 : `string` Returns: `int64 option`	arg00 : `string` Returns: `int64 option`
`(\|SByte\|_\|) arg00` Full Usage: `(\|SByte\|_\|) arg00` Parameters: arg00 : `string` Returns: `sbyte option`	arg00 : `string` Returns: `sbyte option`
`(\|Single\|_\|) arg00` Full Usage: `(\|Single\|_\|) arg00` Parameters: arg00 : `string` Returns: `float32 option`	arg00 : `string` Returns: `float32 option`
`(\|UInt16\|_\|) arg00` Full Usage: `(\|UInt16\|_\|) arg00` Parameters: arg00 : `string` Returns: `uint16 option`	arg00 : `string` Returns: `uint16 option`
`(\|UInt32\|_\|) arg00` Full Usage: `(\|UInt32\|_\|) arg00` Parameters: arg00 : `string` Returns: `uint32 option`	arg00 : `string` Returns: `uint32 option`
`(\|UInt64\|_\|) arg00` Full Usage: `(\|UInt64\|_\|) arg00` Parameters: arg00 : `string` Returns: `uint64 option`	arg00 : `string` Returns: `uint64 option`