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Linq

Update: The code has moved to NetFx project at http://code.google.com/p/netfx/source/browse/trunk/Source/Guard.cs. In the task of validating function arguments, usually a sealed class Guard is created. For example, if we want to validate for null...

In these days of agile and TDD, most probably you had to deal with mocks. In such case, you have two options: create hundreds of mock classes by hand, one for each expected behavior for every unit test, or use a mock framework. There are many mock...

Maybe this example is not impressive as an entire ray tracer in a single line, but it gives an idea of the expressiveness of LINQ. I remember from my high school times, the internal spontaneous competitions looking for the “fastest” prime generators...