A C# Wish – Static Extension Methods

1 Nov

Something I’d love to have in C# – static extension methods.  While extension methods are extremely powerful – look what LINQ and Rx have done with them, I’d love this extra little bit of help.

As an example, the Rx framework have quite a few static helper classes.  For example, Observable.Interval(Timespan) will return a stream of data that yields a value on every interval of the timespan you specify.  The Observable static class is full of these methods.

To make any methods you write that fit under the scope of this Observable class discoverable, you would ideally write an extension method on the Observable class.  However, in the current C# spec, static extension methods only can be called on an instance of a class and not on the the type.

Added to wish list. 🙂

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