March 2009 Archives

Nice technique for modifying a subset of a List

March 4, 2009

One of my team members sent in the following piece of code, which is clearly intended to update the OrderNumber field for all objects in a List<T> of objects that match a particular productId. I took one look at it and thought "you can't do that!". But then I let the automated test run to see what happens... lo and behold, it worked. And well it should, once I thought about it.

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