Module: ReversePolishCalculator

Defined in:
lib/reverse-polish-calculator.rb,
lib/reverse-polish-calculator/input.rb,
lib/reverse-polish-calculator/stack.rb,
lib/reverse-polish-calculator/errors.rb,
lib/reverse-polish-calculator/inputs.rb,
lib/reverse-polish-calculator/output.rb,
lib/reverse-polish-calculator/helpers.rb,
lib/reverse-polish-calculator/version.rb

Defined Under Namespace

Modules: Errors, Helpers, Inputs, Output Classes: Input, Stack

Constant Summary collapse

VERSION = 
'0.0.1'

Class Method Summary collapse

Class Method Details

.loop_with_error_handling ⇒ Object 



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# File 'lib/reverse-polish-calculator.rb', line 22

def self.loop_with_error_handling
  loop { yield }
rescue *Errors::Classes => exception
  Errors.handle(exception)
  Output.clear
  stack.unswap
  retry
end

.stack ⇒ Object 



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# File 'lib/reverse-polish-calculator.rb', line 18

def self.stack
  @stack ||= Stack.new
end

.start ⇒ Object 



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# File 'lib/reverse-polish-calculator.rb', line 10

def self.start
  loop_with_error_handling do   
    stack.add(gets.chomp)
    stack.calculate
    stack.output
  end
end