class RuboCop::Cop::Performance::Sample

1, 2, 3].shuffle(random: Random.new)
[1, 2, 3].shuffle[foo, bar]
[1, 2, 3].shuffle[1..3

# sample(3) might return a longer Array
[1, 2, 3].shuffle[1, 3] # sample(3) might return a longer Array
[1, 2, 3].sample(3)
[1, 2, 3].sample
[1, 2, 3].shuffle
# good
[1, 2, 3].shuffle(random: Random.new).first
[1, 2, 3].shuffle # sample(3) will do the same
[1, 2, 3].shuffle[0, 2] # sample(2) will do the same
[1, 2, 3].shuffle[2]
[1, 2, 3].shuffle.last
[1, 2, 3].shuffle.first(2)
[1, 2, 3].shuffle.first
# bad
@example
and ‘shuffle[]` and change them to use `sample` instead.
This cop is used to identify usages of `shuffle.first`, `shuffle.last`

def autocorrect(node) 

def autocorrect(node)
  ShuffleAnalyzer.new(node).autocorrect
end

def on_send(node) 

def on_send(node)
  analyzer = ShuffleAnalyzer.new(node)
  return unless analyzer.offensive?
  add_offense(node, analyzer.source_range, analyzer.message)
end