Class: Dubcalculator::Basic

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

Overview

This is the basic class for the calculator

Class Method Summary collapse

Class Method Details

.add(num1, num2) ⇒ Object

This method adds two numbers



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# File 'lib/dubcalculator.rb', line 11

def self.add(num1, num2)
    raise 'Invalid argument' if validate_numbers(num1, num2)

    num1 + num2
rescue StandardError
    nil
end

.divide(num1, num2) ⇒ Object

This method divides two numbers



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# File 'lib/dubcalculator.rb', line 38

def self.divide(num1, num2)
    raise 'Invalid argument' if validate_numbers(num1, num2)
    raise 'Cannot divide by zero' if num2.zero?

    num1 / num2
rescue StandardError
    nil
end

.multiply(num1, num2) ⇒ Object

This method multiplies two numbers



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# File 'lib/dubcalculator.rb', line 29

def self.multiply(num1, num2)
    raise 'Invalid argument' if validate_numbers(num1, num2)

    num1 * num2
rescue StandardError
    nil
end

.subtract(num1, num2) ⇒ Object

This method subtracts two numbers



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# File 'lib/dubcalculator.rb', line 20

def self.subtract(num1, num2)
    raise 'Invalid argument' if validate_numbers(num1, num2)

    num1 - num2
rescue StandardError
    nil
end