In C#, you can define an explicit operator for your type using the explicit keyword: In F#, this will look something like this:

I’ve been using a big of knockout.js of late, and while I don’t mind the ko namespace stuff, I do wish that this had used RxJS instead. I know Steve tried that early on and all; it would just be nice to be able to leverage something with which I’m more familiar. Perhaps Matt Podwysocki or Christopher Bennage will come up with something.

[This is the third in a series started long ago on the use of MVC for building web “applications”.] I’m glad I’m only getting back to this series now. I’ve had an opportunity to build many more web applications and have a much better appreciation for the poor terminology used to define web applications. For starters, this MV? business silly. We’ll get to that.

You can specify a function which can take in a numeric value with a generic unit of measure easily enough: Similarly, you can also specify a discriminated union whose clauses can be of a numeric value with a generic unit of measure, like this:

Peculiarly I couldn’t find any documented way to create a type extension for a generic array, ‘a [ ], turns out you need to use backtick marks ( ‘ ) around the square brackets in order to do that: