JsonNumberHandlingAttribute.cs

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namespace System.Text.Json.Serialization;
 
[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Property | AttributeTargets.Field, AllowMultiple = false)]
public sealed class JsonNumberHandlingAttribute : JsonAttribute
{
    public JsonNumberHandling Handling { get; }
 
    public JsonNumberHandlingAttribute(JsonNumberHandling handling)
    {
        if (!JsonSerializer.IsValidNumberHandlingValue(handling))
        {
            throw new ArgumentOutOfRangeException("handling");
        }
        Handling = handling;
    }
}