Re: [Vala] [ANNOUNCE] Vala 0.9.3 - Compiler for the GObject type system

[Sandino Flores Moreno <tigrux gmail com>]

Congrats!

But... what is a main block?

On Wed, Jul 14, 2010 at 2:14 PM, Jürg Billeter <j bitron ch> wrote:
> We are pleased to announce version 0.9.3 of Vala, a compiler for the
> GObject type system.
>
> Vala 0.9.3 is now available for download at:
>   http://download.gnome.org/sources/vala/0.9/
>
> Changes since 0.9.2
>  * Support newlines in double quoted string literals.
>  * Add experimental support for main blocks.
>  * Add experimental vala tool to compile and run code.
>  * Initial support for generic delegates.
>  * Support using GClosure for delegate parameters.
>  * Support GBoxed-based memory management.
>  * Improvements to the .gir reader and writer.
>  * Various improvements to the Dova profile.
>  * Many bug fixes and binding updates.
>
> 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.
>
> 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. All that
> is needed to use a library with Vala is an API file, containing the class
> and method declarations in Vala syntax. Vala currently comes with
> bindings for GLib and GTK+. It's planned to provide generated bindings for
> the full GNOME Platform at a later stage.
>
> 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
>
>
> Jürg Billeter
>
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