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ph3nx/divisible_by_three?.rb

Created January 19, 2014 16:54
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Ruby method that checks whether a number is evenly divisible by three or not. The function uses Ruby's ternary operator, which is a shorthand for the if-else control structure. It's a best pratice to end method names with a question mark when they return boolean values (true || false).
Raw
divisible_by_three?.rb
def by_three? number
number % 3 == 0 ? true : false
end
by_three? 5
# => false
by_three? 9
# => true
@dbwest
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dbwest commented Jan 25, 2018

number % 3 == 0 is fine and returns true or false. Why use a ternary at all?

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