module MakeLifeHarder

add(*numbers) click to toggle source

# File lib/make_life_harder.rb, line 5
def self.add(*numbers)
  numbers.inject(:+)
end

divide(*numbers) click to toggle source

# File lib/make_life_harder.rb, line 17
def self.divide(*numbers)
  numbers.inject(:/)
end

multiply(*numbers) click to toggle source

# File lib/make_life_harder.rb, line 13
def self.multiply(*numbers)
  numbers.inject(:*)
end

square(number) click to toggle source

# File lib/make_life_harder.rb, line 21
def self.square(number)
  number ** 2
end

substract(*numbers) click to toggle source

# File lib/make_life_harder.rb, line 9
def self.substract(*numbers)
  numbers.inject(:-)
end