[1,2,3]
[1,2, *a,3]
[]
[
  [1, 2, [3, [], 4, [5]]],
  6
]
[
  # 1
  [1, 2, [3, [], 4, [5]]],
  6 # 6
]

[1, 2, 3] # 4

[
  # 1
  *a # 2
]

[

  # a

]

['a', 'b']

%w[a\ b c\ d #{1}]
%W[a\ b c\ d #{1}]
%i[a\ b c\ d #{1}]
%I[a\ b c\ d #{1}]

%W[a
  #{
  # a
1.foo}
b]
%I[a
  #{
  # a
  1.foo}
b]

a = 1, 2,
  3
b = foo.bar(1, 2, 3), [4, 5], %w[6 7]

a = 1, 2,
  # 3
  4, # 4
  5

b =
  # 1
  1,
  2 # 2

c =
  # wierd case1
  :case1,
  nil, # nil
  :case2 # wierd case2

if true
  if true
    [aaaaaaaaaaaaaa('bbbbbbb', '', { 'ccccccccccccc' => 'dddddd', 'eeeeeeeeeeeee' => 'fffffffffff' })]
  end
end