This document introduces Ceylon, describing it as powerful, readable, and predictable. It discusses key features of Ceylon like static typing, functional aspects, reified generics, and modularity. The document also outlines the Ceylon ecosystem, including its minimal core module, IDE support, command line interface, SDK modules, module repository, and web framework. Samples are provided to demonstrate Ceylon.

1. Introduction to Ceylon
Stéphane Épardaud

2. The plan
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Why Ceylon
What is Ceylon
The Ceylon ecosystem
Samples

3. Why Ceylon
• Ceylon is
– Powerful, readable, predictable
• Ceylon has
– A platform, modularity, tooling

4. What is Ceylon (1/3)
• Static typing
– Type inference, union&intersection types
• Syntax that gets out of the way
– Shorter, more readable constructors,
attributes, methods
– More regular
• Functional aspects
– First-class functions, comprehensions

5. What is Ceylon (2/3)
• Flow typing
– Tests or assertions
• Reified generics
• Simpler method invocation
– Default argument values, pass by name
• Powerful metamodel
• More expressive annotations

6. What is Ceylon (3/3)
• Modularity
• Compiles to JVM and JSVM

7. The Ceylon ecosystem

8. The Ceylon ecosystem (1/2)
• Minimal ceylon.language module
– Basic types
– Metamodel
• Ceylon IDE
– Eclipse ready, IntelliJ in the works
• CLI
– ceylon help, à la git

9. The Ceylon ecosystem (2/2)
• Ceylon SDK
– Collections, file system, database, IO/net,
test, build, html, json, process, math
• Ceylon Herd
– Next-gen module repository
• Cayla
– Ceylon Web Framework

10. Demo

11. On to the next talk