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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Gosu or Java – which to Use? | Guidewire

Lucky for us, we get gksu hear all about this simple JVM language from its creator. As you can see this code is verbose and not type-safe.

A Program file is a sort of free-form scripting canvas where you can define top-level variables, statements, and classes in any arrangement you like.

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Gosu is currently not suitable for Android application development. Retrieved from ” https: Development of Gosu began in internally for Guidewire Softwareand the language saw its first community release in under the Apache 2 license. February Learn how and when to remove this template message. Programming languages Object-oriented programming languages Java programming 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.

A Program is also a first-class type, just like a Class. There are currently many millions of lines of operational Gosu code running across the globe. It was used to configure business logic in Guidewire’s applications and was more of a simple rule definition language.


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 or Java – which to Use?

Gosu is a statically-typed general-purpose programming language that runs on the Java Virtual Machine. Essentially, we want Gosu to empower developers, but not overwhelm them with complicated or impractical features. What separates Gosu from other JVM languages? For instance, you can reference a Program by name and execute it programmatically.

Therefore, the Pirates of the JVM infographic is accompanied by fosu series of articles in which we put the spotlight on the languages you may or may not know.

As such Java developers typically write code generators or indirect libraries to map a specific type domain to Java. 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 labguage.

The Gosu team continues to grow and innovate. The combination of closures and enhancements provide a powerful way of coding with Collections. He currently leads the Gosu engineering team and pounds code by the truckload while listening to way too much retro synthwave.

Gosu is a mature language. You can build large-scale projects with Gosu using the Gosu IntelliJ plugin, which supports the full breadth and depth of IntelliJ features. This code is type-safe and works seamlessly with static code analysis tooling, including IDE code completion. It is used heavily in large-scale enterprise applications since How did its development begin?

Views Read Programmint View history. And today despite its large feature set and general purpose status, Gosu pogramming a powerful, concise scripting language mostly afforded by sophisticated type inference and optional compilation. Gosu follows a syntax resembling a combination of progdamming languages.


Since there is no type-safe access to this data, Java provides the utility class, java. We are currently discussing a future roadmap for this use-case. Basically, the open type system is about abstracting away the notion of a metatype so that 3rd parties can provide custom types directly and seamlessly to Gosu developers.

What makes Gosu so unique? 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. Power up your skills with these four intense workshops. In addition to standard class types Gosu supports enums, interfaces, structures, and annotations. 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.

Nominal inheritance and composition via delegation are built into the type system as well as structural typing similar to the Go programming language. A separate team is currently upgrading the Gosu IntelliJ plugin, adding a lot of cool new features. Without this level of tooling our developers and our customers would be at a major disadvantage.

To make static typing more consumable we also realized type inference would play a huge role in making Gosu more concise and scriptable.

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