ActivityEvent.cs

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using System.Collections.Generic;
 
namespace System.Diagnostics;
 
public readonly struct ActivityEvent
{
    private static readonly ActivityTagsCollection s_emptyTags = new ActivityTagsCollection();
 
    public string Name { get; }
 
    public DateTimeOffset Timestamp { get; }
 
    public IEnumerable<KeyValuePair<string, object?>> Tags { get; }
 
    public ActivityEvent(string name)
        : this(name, DateTimeOffset.UtcNow, s_emptyTags)
    {
    }
 
    public ActivityEvent(string name, DateTimeOffset timestamp = default(DateTimeOffset), ActivityTagsCollection? tags = null)
    {
        Name = name ?? string.Empty;
        Tags = tags ?? s_emptyTags;
        Timestamp = ((timestamp != default(DateTimeOffset)) ? timestamp : DateTimeOffset.UtcNow);
    }
}