Bio
Gavin King is a Distinguished Engineer at Red Hat. He's the creator of Hibernate, a popular persistence solution for Java and of the Ceylon programming language. He contributed to the Java Community Process as JBoss and then Red Hat representative for the EJB and JPA specifications and as spec lead and author of the CDI specification. He's currently a major contributor to the design of Jakarta Data and Jakarta Persistence. He lives in Barcelona with his wife and three daughters. His active interests include theoretical physics and quantum technologies.
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Ceylon operators
We've already discussed the theory behind operators in Ceylon, but I missed out on giving you guys an actual list of them. In compiling this list of operators, we've tried to select operators that make code easier to read instead of harder to read. (Ceylon is supposed to be a language that eschews ASCII-art.) There are a couple of operators in the list that I have doubts about, especially the format operator, $, that is used to format an object to a string.
Introduction to Ceylon Part 12
This is the final installment in a series of articles introducing the Ceylon language. Note that some features of the language may change before the final release.
Ceylon at JAX
I'm speaking about Ceylon on Thursday, June 23, at 10am at JAX in San Jose. My last conference presentation on the subject of Ceylon was well-received at the conference itself, but not when subsequently published online, leaving we with the impression that it wasn't very effective. So I'm taking a different tack this time.
In Introduction to Ceylon Part 8 we discussed Ceylon's support for defining higher order functions, in particular the two different ways to represent the type of a parameter which accepts a reference to a function. The following declarations are essentially equivalent:
Union types as checked exceptions
We've talked quite a lot about union types, and even seen some of their many applications, but one thing I didn't mention is that they can be used as a kind of checked exception facility. Consider the following method declaration:
Shortcut "data" classes?
In Ceylon, the following class has an initializer with two locals:
Introduction to Ceylon Part 11
This is the eleventh installment in a series of articles introducing the Ceylon language. Note that some features of the language may change before the final release.
Introduction to Ceylon Part 10
This is the tenth installment in a series of articles introducing the Ceylon language. Note that some features of the language may change before the final release.
Introduction to Ceylon Part 9
This is the ninth installment in a series of articles introducing the Ceylon language. Note that some features of the language may change before the final release.
Introduction to Ceylon Part 8
This is the eighth installment in a series of articles introducing the Ceylon language. Note that some features of the language may change before the final release.
