hof.fsx

Higher order function

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let myUser func =
    func "domain\\myUser"
    
let upload user file =
    printf "%s uploaded the file %s" user file
    
let files = ["lorem.docx"; "ipsum.pdf"; "dolor.xls"; "amet.pptx"]

let bulkupload user (fileCollection : List<string>) =
    for file in fileCollection do
        upload user file

let firstFileIn (list:List<string>) =
    list.Head

myUser upload (firstFileIn files)
myUser bulkupload files

val myUser : func:(string -> 'a) -> 'a

Full name: Script.myUser

val func : (string -> 'a)

val upload : user:string -> file:string -> unit

Full name: Script.upload

val user : string

val file : string

val printf : format:Printf.TextWriterFormat<'T> -> 'T

Full name: Microsoft.FSharp.Core.ExtraTopLevelOperators.printf

val files : string list

Full name: Script.files

val bulkupload : user:string -> fileCollection:List<string> -> unit

Full name: Script.bulkupload

val fileCollection : List<string>

Multiple items
module List

from Microsoft.FSharp.Collections

--------------------
type List<'T> =
  | ( [] )
  | ( :: ) of Head: 'T * Tail: 'T list
  interface IEnumerable
  interface IEnumerable<'T>
  member Head : 'T
  member IsEmpty : bool
  member Item : index:int -> 'T with get
  member Length : int
  member Tail : 'T list
  static member Cons : head:'T * tail:'T list -> 'T list
  static member Empty : 'T list

Full name: Microsoft.FSharp.Collections.List<_>

Multiple items
val string : value:'T -> string

Full name: Microsoft.FSharp.Core.Operators.string

--------------------
type string = System.String

Full name: Microsoft.FSharp.Core.string

val firstFileIn : list:List<string> -> string

Full name: Script.firstFileIn

Multiple items
val list : List<string>

--------------------
type 'T list = List<'T>

Full name: Microsoft.FSharp.Collections.list<_>

property List.Head: string

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More information

Link:	http://fssnip.net/hH
Posted:	11 years ago
Author:	Rafael
Tags:	hof , tryfsharp