class RuboCop::Cop::Performance::RedundantSortBlock


array.sort
# good
array.sort { |a, b| a <=> b }
# bad
@example
can be replaced with ‘sort`.
This cop identifies places where `sort { |a, b| a <=> b }`

def message(var_a, var_b) 

def message(var_a, var_b)
  bad_method = "sort { |#{var_a}, #{var_b}| #{var_a} <=> #{var_b} }"
  format(MSG, bad_method: bad_method)
end

def on_block(node) 

def on_block(node)
  return unless (send, var_a, var_b, body = sort_with_block?(node))
  replaceable_body?(body, var_a, var_b) do
    range = sort_range(send, node)
    add_offense(range, message: message(var_a, var_b)) do |corrector|
      corrector.replace(range, 'sort')
    end
  end
end