class RuboCop::Cop::Corrector

def remove_preceding(node_or_range, size)

Parameters:
  • size (Integer) --
  • range (Parser::Source::Range, Rubocop::AST::Node) -- or node 
def remove_preceding(node_or_range, size)
  range = to_range(node_or_range)
  to_remove = range.with(
    begin_pos: range.begin_pos - size,
    end_pos:   range.begin_pos
  )
  remove(to_remove)
end