This is brilliant, even if I don't use C# at all. After reading keithwarren's comment I took a guess at what this operator might do and was delighted to see it

This is brilliant, even if I don't use C# at all. After reading keithwarren's comment I took a guess at what this operator might do and was delighted to see it confirmed in the article. I would use this every day if it was available in the languages I use, specially in Javascript.