Class: RPNCalculator::Operation::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/rpn-calculator/operation/base.rb

Direct Known Subclasses

Addition, Division, Multiplication, Subtraction

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(operands) ⇒ Base

Returns a new instance of Base.



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# File 'lib/rpn-calculator/operation/base.rb', line 8

def initialize(operands)
  @operands = operands.compact
end

Class Method Details

.operate(operands) ⇒ Object 



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# File 'lib/rpn-calculator/operation/base.rb', line 4

def self.operate(operands)
  new(operands).result
end

Instance Method Details

#result ⇒ Object 



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# File 'lib/rpn-calculator/operation/base.rb', line 12

def result
  raise 'must implement in subclass'
end