cursed.rb

# My least favorite valid Ruby code
"abc" "xyz"
# => "abcxyz"

# Truly cursed reminder that whitepsace doesn't matter for method invocation
# and that ary[index] syntax is just a fancy way to do ary.[](index)
[1] [2]
# => nil

foo = "abc"
foo.       chars
# => ["a", "b", "c"]

foo        .chars
# => ["a", "b", "c"]

foo   .    chars
# => ["a", "b", "c"]

[1]    .[](0)
# => nil

[1, 2, 3]     [0, 2]
# => [1, 2]

[1, 2, 3]      [0, 1, 2]
# => Argument Error

ary = [1, 2, 3]
ary       [1]
# => 2