最終更新:2017-03-14 (火) 14:42:57 (2593d)  

Vala
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Compiler for the GObject type system

https://live.gnome.org/Vala

Introduction

  • Vala is a 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.
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About Vala

  • 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
  • Type modules (Plugins)
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例 

  • using Gtk;
 
int main (string[] args) {
    Gtk.init (ref args);
    
    var window = new Window ();
    window.title = "Hello, World!";
    window.border_width = 10;
    window.window_position = WindowPosition.CENTER;
    window.set_default_size(350, 70);
    window.destroy.connect (Gtk.main_quit);
    
    var label = new Label ("Hello, World!");
    
    window.add (label);
    window.show_all ();
    
    Gtk.main ();
    return 0;
}
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参考




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