The Gosu programming language. Contribute to gosu-lang/gosu-lang development by creating an account on GitHub. This year, Gosu celebrates its 15th anniversary. This pragmatic programming language’s set of features allows Java developers to be more. The Gosu team has been very active regarding Gosu development and we’re working diligently to update our website — see it in beta: Our .

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There is no code generation involved and no user intervention required to leverage the type plugin. What separates Gosu from other JVM languages? February Learn how and when to remove this template message. Gosu language creator and development lead, Scott McKinney, emphasizes pragmatism as the overriding principle in Gosu’s design.

This example demonstrates how you can define top-level variables, functions, and classes in a single file to form a program or script.

For instance, declarations follow more along the lines of Pascal with name-first grammar. From Wikipedia, the free encyclopedia. Be the first to share this article with your network! Guidewire enhanced the scripting language over the next 8 years, and released Gosu 0.

Lucky for us, proframming get to hear all about this simple JVM language from its creator. Pirates of the JVM — The series: Join us in London! Gosu classes can have functions, fields, properties, and inner classes as members.

You can use Gosu rpogramming you can use a standard Java VM. We are currently in the process of redesigning our website with a better user experience and a lot more content wrt learning Gosu. Development of Gosu began in internally for Guidewire Softwareand the language saw its first community release in under the Apache 2 license.

Gosu — Hey look! It’s a pragmatic language for the JVM. A simple language – JAXenter

The latest version is 1. On a more basic level, we wanted Gosu to be familiar, approachable, and easy to learn for most programmers. Gosu lxnguage serve as a scripting language, having free-form Program types.


Visit our website and definitely check out the Getting Started section. Execute on the Java Virtual Machinestatically and dynamically compiles to bytecode. Essentially, we want Gosu to empower developers, but not overwhelm them with complicated or impractical features.

Gosu began in as a scripting language called GScript at Guidewire Software. A Program is also a first-class type, just like a Class. This article needs additional citations for verification. As such Gosu’s rich static type system is a necessary ingredient toward best of breed tooling via static programming analysisrich parser feedback, code completiondeterministic refactoring, usage analysis, navigation, and the like.

Here we have a simple properties file, MyProperties. Programming languages Object-oriented programming languages Java languagr language family JVM programming languages Software using the Apache license Programming languages created in software High-level programming languages Cross-platform free software Free compilers and interpreters.

It is used heavily in large-scale enterprise applications since Gosu follows a syntax resembling a combination of other languages. These include functional programming, type enhancements, dynamic features, reified generics, and structural typing to name just a few.

Basically, the open type prlgramming is about abstracting away the notion of a metatype so that 3rd parties can provide custom types directly and seamlessly to Gosu developers.

There were no practical, statically typed scripting languages available in that period ; that is pretty much what got the ball rolling. Gosu can optionally execute these and all other types directly from source without precompilation, which also distinguishes it from other static languages. It was used to configure business logic in Guidewire’s applications and was more of vosu simple rule definition language.

This example demonstrates adding a print function to java. We realized early on that static typing would be a key element of our language; deterministic static analysis tooling such as instant editor feedback, code completion, code navigation, feature usage, refactoring, etc.

Gosu (programming language)

Discoverability is also a key principle that guides the language’s design. As a simple example, take properties files, the Java standard for externalizing string resources. As you can see this code is verbose and not type-safe. Enhancements let you add additional functions and properties to other types, including built-in Java types such as String, List, etc.


Gosu was gradually crafted and field tested over time to meet direct usability and performance requirements of our large-scale enterprise products involving many thousands of developers, resulting in millions of lines of production code. Articles needing additional references from February All articles needing additional references.

Gosu (programming language) – Wikipedia

Therefore, the Pirates of the JVM infographic is accompanied by a series of articles in which we put the spotlight on hosu languages you may or may not know. Finding the island of Gosu is not an easy thing to do.

How did its development begin? A unique feature of Gosu is its Open Type System, which allows the language to be easily extended to provide compile-time checking and IDE awareness of information that is typically checked only at runtime in most other languages. Have you discovered them all? For example, Gosu’s Hello, World! Languagge all fall under the new Gosu Platform project. Properties, as the standard means to access properties in your code:. We are also working programmig a learning platform with our own home grown IDE Gosu Lab targeting academia and small projects.

By using this site, you agree to the Terms of Use and Privacy Policy. XML Schema Definitions are also heavily integrated into the language, as well as object-relational mappingsbecause of the business requirements into which Gosu was born. There are currently many millions of lines of operational Gosu code running across the lxnguage. The Gosu team continues to grow and innovate. Gosu is a statically-typed general-purpose programming language that runs on the Java Virtual Machine.