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FR CSharp Keyword or
Codex edited this page Oct 11, 2026
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Combine des images alternatives. Il s'agit d'un combinateur de modèles, pas d'un opérateur logique ||.
Enregistrez cet exemple séparément dans Example.cs. Exécutez-le indépendamment des autres exemples de cette page.
Example.cs:
// PROJECT-EXAMPLE
int value = 2;
System.Console.WriteLine(value is 1 or 2);Résultat:
True
value is pattern1 or pattern2using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.IO;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;
public static class Program
{
public static async Task Main(string[] args)
{
int value = 15;
Console.WriteLine(value is > 10 and < 20);
Console.WriteLine(value is 12 or 15);
Console.WriteLine(value is not 0);
}
}using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.IO;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;
public static class Program
{
public static async Task Main(string[] args)
{
string? text = "ore";
Console.WriteLine(text is not null and { Length: > 1 });
Console.WriteLine(text is "ore" or "wood");
}
}Source officielle : Microsoft Apprendre.
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