If someone is new to Giraffe and approaching it with familiarity of the built-in .NET server utilities, then utilizing the compose combinator ( >=>) may take some getting used to. This post will explore using the compose combinator through utilizing it to supply http route handlers with a database connection. We will

It is well-known, or at least well-documented, that F# is an excellent language for doing type-driven development using domain driven design, although it may be less well known that F# is an excellent language for microservices. Indeed, microservices benefit greatly from F#'s typesystem - making it easy to focus

A composed function can be thought of as being more generalized than a pipeline, as a pipeline needs a value to start with while a composed function receives an argrument directly. let clickHandler (value: string) = value |> parse |> sanitize |> serialize |> sendPayload The function above takes an argument, then passes that argument

Consider this function: let makeName (firstName: string) (lastName: string) = $"{firstName} {lastName}" Let's apply it different ways with and without pipes, and with and without partial application. Application without pipeline: let name = makeName "Bob" "Vila" Partial application without pipeline: let applyLastName = "Bob" let name = applyLastName "Vila" Partial application with pipeline: let