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Update F# example #883

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Update F# example #883

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10 changes: 5 additions & 5 deletions 10 README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -155,6 +155,7 @@ Demo to show IEnumerable options and other usage: [Online Demo](https://dotnet
<summary>Click to expand!</summary>

```fsharp
open CommandLine

type options = {
[<Option('r', "read", Required = true, HelpText = "Input files.")>] files : seq<string>;
Expand All @@ -163,11 +164,10 @@ type options = {
[<Value(0, MetaName="offset", HelpText = "File offset.")>] offset : int64 option;
}

let main argv =
let result = CommandLine.Parser.Default.ParseArguments<options>(argv)
match result with
| :? Parsed<options> as parsed -> run parsed.Value
| :? NotParsed<options> as notParsed -> fail notParsed.Errors
let arguments = CommandLine.Parser.Default.ParseArguments<options>(System.Environment.GetCommandLineArgs())
match arguments with
| :? Parsed<options> as parsed -> printfn "Success: %A" parsed.Value
| _ -> ()
```
</details>

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