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Archive for October, 2011

20 Oct 2011

by Dave

The Circus is in Town

Following a couple of late caffeinated nights, we are pleased to announce that our latest project, Bigtop, is finally set for beta release!

Bigtop is a collection of libraries for web developers. Included in the first beta release are:

  • Bigtop Routes – a library for creating type-safe bidirectional mappings between URLs and Scala code;
  • Bigtop Core – a library for generating and manipulating URLs and hyperlinks in a functional style.

Routes uses the HList-based approach to bidirectional pattern matching that Dave presented at Scala Lift-Off London 2011. There are versions of the library for use with LiftScalatra, and plain old Java servlets.

Check the Bigtop web site for a getting started guide, API documentation, and links to the code and Maven repository.

Posted in Code, Functional Programming, Scala, Web development | Comments Off on The Circus is in Town

10 Oct 2011

by Dave

Reading, Writing, and the REST

I’ve just finished preparing the slides for my talk at Scala Lift-Off London 2011 next week. The title of the talk is A Route to the Three ‘R’s: Reading, Writing, and the REST. Here’s the abstract:

The mappings between URLs and code form an integral part of any web application. Many web frameworks help map from URLs to code, but the reverse mapping is often neglected, leaving developers to construct URLs via haphazard string manipulation. Furthermore, many frameworks do not match URLs in a type-safe manner.

Scala provides all the tools we need to address this problem in a more comprehensive manner. In this talk we will walk through the creation of Bigtop Routes, a bidirectional mapping library that is both type-safe and developer-friendly. We will pay particular attention to the ways in which Scala language features, such as flexible syntax, implicit conversions, and a touch of type-level programming, help to simplify the task at hand.

The slides and code samples are all available from my Github page. Skills Matter have posted a video of the talk on their web site.

Posted in Code, Front page, Functional Programming, Scala, Web development | Comments Off on Reading, Writing, and the REST