ReadBlock() [2/2]

virtual int System.IO.TextReader.ReadBlock ( Span< char > buffer )

inlinevirtualinherited

Reimplemented in System.IO.StreamReader, and System.IO.StringReader.

Definition at line 236 of file TextReader.cs.

    {
        char[] array = ArrayPool<char>.Shared.Rent(buffer.Length);
        try
        {
            int num = ReadBlock(array, 0, buffer.Length);
            if ((uint)num > (uint)buffer.Length)
            {
                throw new IOException(SR.IO_InvalidReadLength);
            }
            new Span<char>(array, 0, num).CopyTo(buffer);
            return num;
        }
        finally
        {
            ArrayPool<char>.Shared.Return(array);
        }
    }

References System.array, System.buffer, System.Span< T >.CopyTo(), System.SR.IO_InvalidReadLength, System.IO.TextReader.ReadBlock(), and System.Buffers.ArrayPool< T >.Shared.