ToUpper() [2/3]

static void System.Globalization.InvariantModeCasing.ToUpper ( ReadOnlySpan< char > source, Span< char > destination )

inlinestaticpackage

Definition at line 102 of file InvariantModeCasing.cs.

    {
        for (int i = 0; i < source.Length; i++)
        {
            char c = source[i];
            if (char.IsHighSurrogate(c) && i < source.Length - 1)
            {
                char c2 = source[i + 1];
                if (char.IsLowSurrogate(c2))
                {
                    SurrogateCasing.ToUpper(c, c2, out var hr, out var lr);
                    destination[i] = hr;
                    destination[i + 1] = lr;
                    i++;
                    continue;
                }
            }
            destination[i] = ToUpper(c);
        }
    }

References System.destination, System.source, System.Globalization.InvariantModeCasing.ToUpper(), and System.Globalization.SurrogateCasing.ToUpper().