class Rufo::Formatter

def visit_assign(node)
  # target = value
  #
  # [:assign, target, value]
  _, target, value = node
  line = @line
  visit target
  consume_space(want_preserve_whitespace: !@align_assignments)
  track_assignment
  consume_op "="
  visit_assign_value value
  @assignments_ranges[line] = @line if @line != line
end