class RuboCop::Cop::Performance::RedundantSortBlock


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

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
    register_offense(send, node)
  end
end

def on_numblock(node) 

def on_numblock(node)
  return unless (send, arg_count, body = sort_with_numblock?(node))
  return unless arg_count == 2
  replaceable_body?(body, :_1, :_2) do
    register_offense(send, node)
  end
end

def register_offense(send, node) 

def register_offense(send, node)
  range = sort_range(send, node)
  add_offense(range) do |corrector|
    corrector.replace(range, 'sort')
  end
end