Tag Archives: C#

Functional Inspiration – A simple Option type

Posted on 26/02/2013 by Pierre IRRMANN

In F#, the option type is a built-in Discriminated Union type which allows to handle nicely the fact that an expression can represent some value or none. In C#, we have almost this construct when we use the Nullable<T>, but … Continue reading →

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Elitism ? Or just raising the bar ?

Posted on 26/01/2013 by Pierre IRRMANN

Last Thursday, I’ve attended an open forum organised by ALT.NET France user group, about the Software Craftsmanship Community and the “Fier d’être développeur” (“Proud to be dev”) groups, in order to compare their intents and try to explain why they … Continue reading →

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Cartesian products in LINQ (fluent syntax)

Posted on 01/11/2012 by Pierre IRRMANN

Have you ever tried to combines sequences in order to build Cartesian products in LINQ ? This is really easily achieved using the query expressions syntax, writing for instance : var ints = Enumerable.Range(1, 4); var longs = Enumerable.Range(1, 3).Select(i … Continue reading →

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Polymorphic enums in C#, implementation revealed

Posted on 29/09/2012 by Pierre IRRMANN

How can we implement a polymorphic enum to mimic the Java ones ? In a previous post, as an answer to @cyriux’s one, I showed how we could try to use a polymorphic enum in C# in order to mimic … Continue reading →

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Polymorphic enums in C#, generic incrementation

Posted on 18/09/2012 by Pierre IRRMANN

During the implementation of my polymorphic enum, I have chosen to allow several types for the underlying “ordinal” value, as it is also possible for standard C# enums… From the MSDN documentation, the allowed underlying types for enum types are … Continue reading →

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