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  1. Proceedings of the 4th Workshop on Scala (SCALA '13)
  2. Dataflow constructs for a language extension based on the algebra of communicating processes
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An overview of the Leon verification system: verification by translation to recursive functions
CafeSat: a modern SAT solver for Scala
Scala macros: let our powers combine!: on how rich syntax and static types work with metaprogramming
A new concurrency model for Scala based on a declarative dataflow core
Open GADTs and declaration-site variance: a problem statement
Towards a tight integration of a functional web client language into Scala
Parsing graphs: applying parser combinators to graph traversals
Scalad: an interactive type-level debugger
An experimental study of the influence of dynamic compiler optimizations on Scala performance
Bridging islands of specialized code using macros and reified types
What are the Odds?: probabilistic programming in Scala
Dataflow constructs for a language extension based on the algebra of communicating processes

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Dataflow constructs for a language extension based on the algebra of communicating processes

Content Provider ACM Digital Library
Author van Delft, André
Abstract The dataflow programming paradigm addresses how data flows inside programs. Program components, that are often concurrently active, send data to one another; this eases software composition. Mainstream programming languages do not support the paradigm well because of their deterministic and sequential nature. A language that focuses on concurrency is better suited to incorporate concepts from the dataflow paradigm. SubScript is an extension to the Scala programming language with constructs from the Algebra of Communicating Processes, targeted at event-driven and concurrent programming. Like ACP, SubScript focuses on program behavior; support for data was through local variables and parameters. However, the ACP background enabled SubScript to deal with the challenges of the dataflow paradigm. This is achieved through several new features. 1. A process may have a result value, like a method 2. A process result value may be passed on to another process that starts subsequently. This helps getting rid of variables, e.g., in GUI controller specifications. 3. Output actions from a process may be piped to a parallel process, yielding a similar expressiveness as pipes in Unix command shell language. 4. Actors written in Scala often need to keep track of a state, and their program text poorly expresses the conceptual control flow. When such actors are written in SubScript, incoming data may be treated as events that may appear anywhere in the specification, just like in SubScript GUI specifications.
Starting Page 1
Ending Page 10
Page Count 10
File Format PDF
ISBN 9781450320641
DOI 10.1145/2489837.2489849
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2013-07-02
Publisher Place New York
Access Restriction Subscribed
Subject Keyword Gui programming Concurrency Nondeterminism Actors Algebra of communicating processes Dataflow
Content Type Text
Resource Type Article
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