class RuboCop::Cop::InternalAffairs::NumblockHandler

Checks for missing ‘numblock` handlers. The blocks with numbered arguments introduced in Ruby 2.7 are parsed with a node type of `numblock` instead of block. Cops that define `block` handlers need to define `numblock` handlers or disable this cope for them.

@example

# bad
class BlockRelatedCop < Base
  def on_block(node)
  end
end

# good
class BlockRelatedCop < Base
  def on_block(node)
  end

  alias on_numblock on_block
end

class BlockRelatedCop < Base
  def on_block(node)
  end

  alias_method :on_numblock, :on_block
end

class BlockRelatedCop < Base
  def on_block(node)
  end

  def on_numblock(node)
  end
end