On Tue, Jun 3, 2008 at 2:18 PM, Jürg Billeter <[EMAIL PROTECTED]> wrote:
> We are pleased to announce version 0.3.3 of Vala, a compiler for the > GObject type system. > > Vala 0.3.3 is now available for download at: > http://download.gnome.org/sources/vala/0.3/ > > Changes since 0.3.2 > * Support overriding default method handlers of signals. > * Support dynamic access to properties and signals of GObjects. Every time a new Vala release comes out, there are features that I don't understand. Maybe these are obvious to everyone else, but what does "dynamic access to properties" mean? It would be great to have a few sentences explaining each new significant feature... Thanks, Michael > * Experimental support for nullable value types. > * Improve support for classes not deriving from GLib.Object. > * Support """verbatim strings""". > * Add parser for Genie (Jamie McCracken) > * Experimental support for arrays of arrays. > * Documentation improvements (Phil Housley) > * Improvements to D-Bus support (Ali Sabil, Philip Van Hoof, Yu Feng) > * Add libepc-1.0 bindings (Ali Sabil) > * Add libtiff bindings (Christian Meyer) > * Updates to the GStreamer bindings (Ali Sabil and Jaap A. Haitsma) > * Many bug fixes and performance improvements. > > Vala is a new programming language that aims to bring modern programming > language features to GNOME developers without imposing any additional > runtime requirements and without using a different ABI compared to > applications and libraries written in C. > > valac, the Vala compiler, is a self-hosting compiler that translates > Vala source code into C source and header files. It uses the GObject > type system to create classes and interfaces declared in the Vala source > code. It's also planned to generate GIDL files when gobject- > introspection is ready. > > The syntax of Vala is similar to C#, modified to better fit the GObject > type system. Vala supports modern language features as the following: > > * Interfaces > * Properties > * Signals > * Foreach > * Lambda expressions > * Type inference for local variables > * Generics > * Non-null types > * Assisted memory management > * Exception handling > > Vala is designed to allow access to existing C libraries, especially > GObject-based libraries, without the need for runtime bindings. Each to > be used library requires a Vala API file at compile-time, containing the > class and method declarations in Vala syntax. Vala currently comes with > bindings for current versions of GLib, GTK+, and many more. > > Using classes and methods written in Vala from an application written in > C is not difficult. The Vala library only has to install the generated > header files and C applications may then access the GObject-based API of > the Vala library as usual. It should also be easily possible to write a > bindings generator for access to Vala libraries from applications > written in e.g. C# as the Vala parser is written as a library, so that > all compile-time information is available when generating a binding. > > More information about Vala is available at > > http://live.gnome.org/Vala > > > The Vala Team > > Jürg Billeter and Raffaele Sandrini > > > _______________________________________________ > Vala-list mailing list > [email protected] > http://mail.gnome.org/mailman/listinfo/vala-list >
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