Contents tagged with Monads
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Filter IQueryable by String for ASP.NET MVC
In ASP.NET web applications, mostly seen in MVC, it is really nice to have a standard way to filter a query based on a pre-defined set of combinators. It is often annoying to have to test for different Request parameters in a controller action for MVC or on a page for WebForms. In this post I will describe what I’m calling StringToIQueryable, an open source parser library I built in a few days that I’m using on a few projects. Basically you feed a string to the parser and it manipulates an IQueryable according to a set of pre-defined combinators. The syntax is URL-friendly… that was the goal. Hopefully I will show you in this post how useful this tool can be for both consumption and extension.
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Maybe Monad… my C# version
Functional programming isn’t a new concept. There is Scheme, Haskell and a bunch of other really cool languages. But new on the block is F#. F# is Microsoft’s stab at creating a functional programming in the .NET world as a first-class language.