Operators.( ||> )<'T1,'T2,'U> Function (F#)
Apply a function to two values, the values being a pair on the left, the function on the right.
Namespace/Module Path: Microsoft.FSharp.Core.Operators
Assembly: FSharp.Core (in FSharp.Core.dll)
// Signature:
( ||> ) : 'T1 * 'T2 -> ('T1 -> 'T2 -> 'U) -> 'U
// Usage:
(arg1, arg2) ||> func
Parameters
arg1
Type: 'T1The first argument.
arg2
Type: 'T2The second argument.
func
Type: 'T1 -> 'T2 -> 'UThe function.
Return Value
The function result.
Example
The following example demonstrates the use of the ||> operator.
let append string1 string2 = string1 + "." + string2
let result1 = ("abc", "def") ||> append
printfn "(\"abc\", \"def\") ||> append gives %A" result1
let toUpper (string1:string) (string2:string) = string1.ToUpper(), string2.ToUpper()
let result2 = ("abc", "def")
||> toUpper
||> append
printfn "result2: %A" result2
("abc", "def") ||> append gives "abc.def" result2: "ABC.DEF"
Platforms
Windows 7, Windows Vista SP2, Windows XP SP3, Windows XP x64 SP2, Windows Server 2008 R2, Windows Server 2008 SP2, Windows Server 2003 SP2
Version Information
F# Runtime
Supported in: 2.0, 4.0
Silverlight
Supported in: 3