Things that mostly work in Rakudo Perl (Jul 2008)

• basic expressions and operators
• scalars, arrays, hashes
• list, hash, and item context
• listop parsing and execution
• various quoting syntaxes, with interpolation
• 'if', 'unless', 'while', 'until', 'repeat', 'for'
• chained and short-circuit operators
• blocks and lambdas
• subroutines
• arity and type-based multiple dispatch
• type checking
• named parameter passing