FOSDEM '09 is a free and non-commercial event organized by the community, for the community. Its goal is to provide Free and Open Source developers a place to meet.

   
Speakers
Martin Odersky
Schedule
Day Saturday
Room Chavanne
Start time 16:00
End time 17:00
Duration 01:00
Info
Event type Podium
Track Development and Languages
Language English
Scala - A Scalable Language

In this talk I'll describe the design principles of the Scala programming language, which has scalability as its primary design objective.

Today's software landscape resembles increasingly a tower of Babel: Systems are built using many different languages, combining server-side and client-side languages, scripting and systems programming languages, general and domain specific languages, all glued together with a hefty amount of XML. The advantage of this approach is that each individual language can be tailored to a specific application domain. Its disadvantage is that the necessary amount of cross-language glue can make applications cumbersome to write, deploy, and maintain.

An alternative is offered by scalable languages, which can be used for many different applications, ranging from small scripts to very large systems. An important aspect of a scalable language is that it itself is extensible and malleable. It should be possible to define very high-level libraries in it, which act in effect as specialized domain specific languages. The advantages of this approach is that it leads to more regular system designs, gives better static checking, makes applications easier to deploy, and increases their reliability.

In this talk I'll describe the design principles of the Scala programming language, which has scalability as its primary design objective. Scala combines lightweight syntax with strong static checking on a Java-compatible platform. It encourages the embedding of domain-specific languages as high-level libraries. I discuss how Scala affects systems design and discuss its suitability for large scale industrial deployment.

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