Add_to_array_inconsistencies.rb

def measure_time task_description
  beginning = Time.now
  yield
  puts "Time to #{task_description}: #{Time.now - beginning} seconds"
end

def add a, i
  a << i
end

5.times do
  measure_time("add item via method") do
    a = []
    1000000.times {|i| add a, i}
  end
end

5.times do
  measure_time("add item via method") do
    a = []
    1000000.times {|i| a << i}
    # puts "length #{a.length}"
  end
end