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Operators.( <||| )<'T1,'T2,'T3,'U> Function (F#)

Apply a function to three values, the values being a triple on the right, the function on the left

Namespace/Module Path: Microsoft.FSharp.Core.Operators

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

// Signature:
( <||| ) : ('T1 -> 'T2 -> 'T3 -> 'U) -> 'T1 * 'T2 * 'T3 -> 'U

// Usage:
func <||| (arg1, arg2, arg3)
func

Type: 'T1 -> 'T2 -> 'T3 -> 'U

The function.

arg1

Type: 'T1

The first argument.

arg2

Type: 'T2

The second argument.

arg3

Type: 'T3

The third argument.

The function result.

The following code demonstrates the use of the <||| operator.

let append4 string1 string2 string3 = string1 + "." + string2 + "." + string3

// The <||| operator 
let result3 = append4 <||| ("abc", "def", "ghi")
printfn "append4 <||| (\"abc\", \"def\", \"ghi\") gives  %A" result3
append4 <||| ("abc", "def", "ghi") gives  "abc.def.ghi"

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

F# Core Library Versions

Supported in: 2.0, 4.0, Portable

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