Class: Fop::Program

Inherits:
Object
  • Object
show all
Defined in:
lib/fop/program.rb

Instance Method Summary collapse

Constructor Details

#initialize(instructions) ⇒ Program

Returns a new instance of Program.



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# File 'lib/fop/program.rb', line 3

def initialize(instructions)
  @instructions = instructions
end

Instance Method Details

#apply(input) ⇒ Object 



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# File 'lib/fop/program.rb', line 7

def apply(input)
  input = input.clone
  output =
    @instructions.reduce("") { |acc, ins|
      result = ins.call(input)
      return nil if result.nil?
      acc + result.to_s
    }
  input.empty? ? output : nil
end