Module: LambdaCalculus::Program2

Defined in:
lib/mail/vendor/treetop-1.4.3/examples/lambda_calculus/lambda_calculus.rb

Instance Method Summary collapse

Instance Method Details

#eval(env = {}) ⇒ Object 



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# File 'lib/mail/vendor/treetop-1.4.3/examples/lambda_calculus/lambda_calculus.rb', line 31

def eval(env={})
  env = env.clone
  last_eval = nil
  expressions.each do |exp|
    last_eval = exp.eval(env)
  end
  last_eval
end

#expressions ⇒ Object 



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# File 'lib/mail/vendor/treetop-1.4.3/examples/lambda_calculus/lambda_calculus.rb', line 40

def expressions
  [expression] + more_expressions.elements.map {|elt| elt.expression}
end