Docs: Wrong example code in "Discards - C# Guide"

[CeciAc]

@sopepos commented on Wed Jan 02 2019

There's no "switch" statement in example code of "Pattern matching with switch and is" section.

   private static void ProvidesFormatInfo(object obj)         
   {
      if (obj is IFormatProvider fmt)
         Console.WriteLine($"{fmt} object");
      else if (obj is null) {
         Console.Write("A null object reference: ");
         Console.WriteLine("Its use could result in a NullReferenceException");
      }
      else
         Console.WriteLine($"Some object type without format information");
   }

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• ID: 8047b417-55af-c6df-9333-f1e1c428e594
• Version Independent ID: 8bcc16bb-c2d8-0b6d-af20-6958964efe9e
• Content: 무시 항목 - C# 가이드
• Content Source: docs/csharp/discards.md
• Product: dotnet-csharp
• GitHub Login: @rpetrusha
• Microsoft Alias: ronpet

[CeciAc]

Hi team,
I'm moving this here since the suggestion is about the code
best regards

[BillWagner]

We should add a second sample here.

[gonz01d]

There also doesn't seem to be any use of the Discard in that example either.

[bombek92]

I think "no switch" is not a problem with this example. The problem is that it is not related to the topic of article - discards.

[Eilon]

Just noticed this as well. The Pattern matching with switch and is sample doesn't use discards at all.

[BillWagner]

I think this issue is fixed in https://github.com/dotnet/samples/pull/936

[BillWagner]

Closing, dotnet/samples#936 fixed this as well