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• Composable WCF Web API using Async

  A functional wrapper around the new WCF Web APIs (http://wcf.codeplex.com/). Composition is achieved through the use of the HttpRequestMessage -> Async signature. Pushing the app calls in the MessageHandler intercepts all requests and allows you to take control at the earliest point possible before operation selection occurs. Extending this slightly to call the innerChannel's SendAsync would allow you to create a middleware layer that would work both with this and other, normal Web API services.

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  Posted: 15 years ago by Ryan Riley

• Implementing active objects with a MailboxProcessor

  Mailbox processors can easily be used to implement active objects. This example shows how to do that with a reusable wrapper type and minimal boilerplate code in the actual class definitions. Supports both asynchronous calls and synchronous calls. For the latter case, exceptions are automatically propagated back to the caller.

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  Posted: 15 years ago by Wolfgang Meyer

• Association list lookup

  While prototyping programs I find myself using association lists. This little snippet defines a lookup functions for association lists defined as lists of tuples.

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  Posted: 15 years ago by Alex Muscar

• Hello world (F#)

  Classical "Hello world" example that prints a message to the console output. This version uses F# printfn function to do the printing.

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  Posted: 15 years ago by Tomas Petricek

• Split a list

  Three ways to split a list in half (but not necessarily in the middle). A forth version added that's very short and should be fast, as we only use List.fold. New champ found.

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  Posted: 15 years ago by Dmitri Pavlenkov

• Composing a list of functions

  Composition of functions in F# is easily achieved by using the >> operator. You can also chain an arbitary amount of functions (represented as a list or sequence) together by folding the list/seq with >>. [More formally: the set of endomorphisms 'a -> 'a forms a monoid with the binary, associative operator ">>" (or "<<") and the neutral element "id".]

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  Posted: 15 years ago by Novox

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