Publication

Independently Extensible Solutions to the Expression Problem

Martin Odersky, Matthias Zenger
2004
Reports

Abstract

The expression problem is fundamental for the development of extensible software. Many (partial) solutions to this important problem have been proposed in the past. None of these approaches solves the problem of using different, independent extensions jointly. This paper proposes solutions to the expression problem that make it possible to combine independent extensions in a flexible, modular, and type-safe way. The solutions, formulated in the programming language Scala, are affected with only a small implementation overhead and are easy to implement by hand.

Official source

https://infoscience.epfl.ch/entities/publication/b13ba533-f877-4822-9fa7-43e9d7958adc

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Martin Odersky, Matthias Zenger
2004
Reports

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/b13ba533-f877-4822-9fa7-43e9d7958adc

About this result

Related concepts (32)

Problem solving

Problem solving is the process of achieving a goal by overcoming obstacles, a frequent part of most activities. Problems in need of solutions range from simple personal tasks (e.g. how to turn on an appliance) to complex issues in business and technical fields. The former is an example of simple problem solving (SPS) addressing one issue, whereas the latter is complex problem solving (CPS) with multiple interrelated obstacles.

Scala (programming language)

Scala (ˈskɑːlə ) is a strong statically typed high-level general-purpose programming language that supports both object-oriented programming and functional programming. Designed to be concise, many of Scala's design decisions are aimed to address criticisms of Java. Scala source code can be compiled to Java bytecode and run on a Java virtual machine (JVM). Scala can also be compiled to JavaScript to run in a browser, or directly to a native executable.

High-level programming language

In computer science, a high-level programming language is a programming language with strong abstraction from the details of the computer. In contrast to low-level programming languages, it may use natural language elements, be easier to use, or may automate (or even hide entirely) significant areas of computing systems (e.g. memory management), making the process of developing a program simpler and more understandable than when using a lower-level language. The amount of abstraction provided defines how "high-level" a programming language is.

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