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@zacksiri
Last active December 26, 2015 05:35
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require 'benchmark'
require 'pry'
class Fizzbuzz
def initialize(number)
@number = number
end
def self.count(number)
count = new(number)
count.output_data[count.selector]
end
def self.count_if(number)
count = new(number)
count.output_if
end
def output_if
result = 'Fizz' if @number % 3 == 0
result = 'Buzz' if @number % 5 == 0
result = 'Fizzbuzz' if @number % 15 == 0
result
end
def output_data
{ "3" => "Fizz",
"5" => "Buzz",
"15" => "Fizzbuzz" }
end
def selector
output_data.keys.map { |k| k.to_i }.select do |k|
@number % k == 0
end.last
end
end
Benchmark.bm(15) do |x|
x.report("if") {
10000.times do
Fizzbuzz.count_if(Random.rand(100))
end
}
x.report("hash_select") {
10000.times do
Fizzbuzz.count(Random.rand(100))
end
}
end
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