F#选择对随机整数列表排序

| 我是F#的新手,试图弄清楚一些基础知识,但步伐缓慢。在下面的代码中,我尝试生成随机整数列表,然后对其进行排序。
let randomNumberList count =
    let r = System.Random()
    List.init count (fun _ -> r.Next(100))

let rec selectionSort l = function
    | [] -> []
    | l -> let min = List.min l in
           let rest = List.filter (fun i -> i <> min) l in
           let sortedList = selectionSort rest in
           min :: sortedList
sortedList = selectionSort l

let unsortedList = randomNumberList 10
printfn \"%A\" unsortedList
printfn \"%A\" sortedList
所以有两件事...一是我得到的错误:
stdin(515,19): error FS0001: This expression was expected to have type
    \'a list    
but here has type
    \'a list -> \'a list
另一个是随机数列表。它可以工作,但是我希望生成的数字小于100,而不是我现在得到的庞大值。 感谢您的耐心配合和帮助!     
已邀请:
如评论中所述,
let rec selectionSort
中不需要
l
。固定代码:
let randomNumberList count =
    let r = System.Random()
    List.init count (fun _ -> r.Next(100))

let rec selectionSort = function
    | [] -> []
    | l -> let min = List.min l in
           let rest = List.filter (fun i -> i <> min) l in
           let sortedList = selectionSort rest in
           min :: sortedList

let unsortedList = randomNumberList 10
let sortedList = selectionSort unsortedList
printfn \"%A\" unsortedList
printfn \"%A\" sortedList
System.Console.ReadLine() |> ignore
说明:
let vname = function
   | ... -> ...
   | ... -> ...
是...的缩写
let vname arg = match arg with
   | ... -> ...
   | ... -> ...
    

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