1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
// x.fs
// Sample source file to test F# syntax highlighting
[<AutoOpen>]
module Example
#line 7 "A compiler directive"
#if DEBUG
open System
open System.IO
open System.Diagnostics
#endif
# 14 @"See: https://docs.microsoft.com/en-us/dotnet/fsharp/language-reference/strings#remarks"
// verbatim string
let xmlFragment1 = @"<book href=""https://www.worldcat.org/title/paradise-lost/oclc/1083714070"" title=""Paradise Lost"">"
// triple-quoted string
let xmlFragment2 = """<book href="https://www.worldcat.org/title/paradise-lost/oclc/1083714070" title="Paradise Lost">"""
(* you need .NET 5.0 to compile this:
https://docs.microsoft.com/en-us/dotnet/fsharp/whats-new/fsharp-50#string-interpolation
*)
let interpolated = $"""C:\{System.DateTime.Now.ToString("yyyy-MM-dd")}\""" + $"{System.Random().Next(System.Int32.MaxValue)}.log"
let ``a byte literal`` = '\209'B
// quoted expression
let expr =
<@@
let foo () = "bar"
foo ()
@@>
let bigNum (unused: 'a): float option =
Seq.init 10_000 (float >> (fun i -> i + 11.))
|> (List.ofSeq
>> List.take 5
>> List.fold (*) 1.0)
|> Some
match bigNum () with
| Some num -> sprintf "%.2f > %u" num ``a byte literal``
| None -> sprintf "%A" "Have a byte string!"B
|> printfn "%s"
// GitHub Issue #38
let unescapeWinPath (path: string) =
path.Replace("\\\\", "\\").Replace("\"", "")
unescapeWinPath "\\\"Program Files (x86)\\Windows NT\\Accessories\\\""
|> System.IO.Directory.GetFiles
|> printfn "%A"
|
