DictionaryDebugView.cs

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using System.Diagnostics;
 
namespace System.Collections.Generic;
 
internal sealed class DictionaryDebugView<K, V>
{
    private readonly IDictionary<K, V> _dict;
 
    [DebuggerBrowsable(DebuggerBrowsableState.RootHidden)]
    public KeyValuePair<K, V>[] Items
    {
        get
        {
            KeyValuePair<K, V>[] array = new KeyValuePair<K, V>[_dict.Count];
            _dict.CopyTo(array, 0);
            return array;
        }
    }
 
    public DictionaryDebugView(IDictionary<K, V> dictionary)
    {
        _dict = dictionary ?? throw new ArgumentNullException("dictionary");
    }
}