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http://www.rebol.com
http://en.wikibooks.org/wiki/REBOL_Programming
http://rebol2.blogspot.com/
SOUND
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3D
SOME EXAMPLES
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Let's confront with Java
EXAMPLE
view layout [
text "Hello world!"
button "Quit" [quit]
]
INTRODUCTION
- New elegance of expression and computation
- Easy
- Very clean denotational semantics.
- Very clean syntax, no keywords, minimal punctuation.
- Symbolic programming methods.
- Functional language techniques.
- Context dependent grammars: dialects, domain specific languages.
- Meta-circular (it's its own meta language)
- Lexically rich: many built-in types and representations.
- Prototypical objects, not classes.
- ....
REBOL
Little presentation
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import java.awt.*;
import java.awt.event.*;
public class HelloWorld extends Frame {
private static final long serialVersionUID = -1113582265865921787L;
public static void main (String [] argv){
HelloWorld h = new HelloWorld();
}
public HelloWorld(){
setTitle("Hello World!");
setSize(300, 250);
Panel hello = new Panel();
add("Center", hello);
Button button = new Button("OK");
add("South", button);
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.exit(0);
}
});
setVisible(true);
int width = hello.getWidth();
int height = hello.getHeight();
Graphics g = hello.getGraphics();
g.drawString("Hello World!", width/2 - 25, height/2);
addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent e){
System.exit(0);
}
});
}
}