/* OK, so I am trying some of the examples in the slides 
   http://www.cs.ucla.edu/~awarth/ometa/dls07-slides.pdf
 */

/* Lets try this: put the cursor on the next line, then do 'print it' */

2 + 2

/* You can have C style comments, or just write something anywhere. */

/* Strings, JavaScript syntax */

"abc".length


/* http://lambda-the-ultimate.org/node/2477#comment-38367 says: 
   (There's also a Smalltalk in there, and you can use both languages in a Squeak-style workspace user interface.)
   Now that's what I'd like to try, but no luck ;-/
*/

"abc" size.
/* No luck with brackets for message sends */

[2 negated]
[2 negated];

/* this works, just a string, I guess you use double quotes on the 'Smalltalk' side? */
["abc"]

/* A simple message send? */
["abc" at: 2]


/* How about some grammar? I get parse errors when trying to evaluate all or part of it. */

meta E {
  dig ::= '0' | '1' | '2';
  num ::= <dig>+;
}