ValueWebSocketReceiveResult.cs

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namespace System.Net.WebSockets;
 
public readonly struct ValueWebSocketReceiveResult
{
    private readonly uint _countAndEndOfMessage;
 
    private readonly WebSocketMessageType _messageType;
 
    public int Count => (int)(_countAndEndOfMessage & 0x7FFFFFFF);
 
    public bool EndOfMessage => (_countAndEndOfMessage & 0x80000000u) == 2147483648u;
 
    public WebSocketMessageType MessageType => _messageType;
 
    public ValueWebSocketReceiveResult(int count, WebSocketMessageType messageType, bool endOfMessage)
    {
        if (count < 0)
        {
            ThrowCountOutOfRange();
        }
        if ((uint)messageType > 2u)
        {
            ThrowMessageTypeOutOfRange();
        }
        _countAndEndOfMessage = (uint)count | (endOfMessage ? 2147483648u : 0u);
        _messageType = messageType;
    }
 
    private static void ThrowCountOutOfRange()
    {
        throw new ArgumentOutOfRangeException("count");
    }
 
    private static void ThrowMessageTypeOutOfRange()
    {
        throw new ArgumentOutOfRangeException("messageType");
    }
}