Things that mostly work in Rakudo Perl (Feb 2008)

• basic expressions and operators
• scalars, arrays, hashes
• listop parsing and execution
• various quoting syntaxes, with interpolation
• 'if', 'unless', 'while', 'until', 'repeat'
• simple versions of 'for'
• chained and short-circuit operators
• blocks
• subroutines
• arity-based multiple dispatch
• method calls