module Less

def self.Parser

exposes less.Parser 
def self.Parser
  self['Parser']
end

def self.[](name) 

def self.[](name)
  @less[name]
end

def self.tree

Less.tree.functions['foo'] = lambda { |*args| 'bar' }
exposes less.tree e.g. for attaching custom functions 
def self.tree
  self['tree']
end