Brain    up http://brain.sourceforge.net
 
  Description: "Brain is a high-level, purely object-oriented, prototype based scripting language mostly similar to the Self language. Some features of Brain are:
  • Everything is an object
  • Arbitrary precision numbers (using the gmp library)
  • Build-in high-level data structures
  • Automatic memory management (using a mark & sweep collector)
  • Closures
  • Exceptions
Brain is free software released under the GNU General Public License."


  Factorial   Michael Neumann 
fac = {|n|
  (n > 1) if-true:  { n * fac (n-1) }
          if-false: { 1 }.
}.

-- call the code-block and output the value

fac (6); println.
Calculates the factorial. Results 720.


 Hello World   Michael Neumann 
-- Hello World in Brain
#! this is also a single line comment
{- and a multi-liine
   comment. -}
  
"Hello World" println.
Prints "Hello World" onto the screen.


 Squares   Chad Fowler 
#! Squares in Brain

1 to: 10 by: 1 do: { | i | (i * i) println. }
Outputs the squares from 1 to 10.