class RPNCalculator::IoInterface::Abstract

Public Instance Methods

display_output() click to toggle source
# File lib/rpn-calculator/io_interface/abstract.rb, line 8
def display_output
  raise 'Must implement in subclass'
end
read_input() click to toggle source
# File lib/rpn-calculator/io_interface/abstract.rb, line 4
def read_input
  raise 'Must implement in subclass'
end