CSV::Parser#strip_value

# File tmp/rubies/ruby-3.3.0/lib/csv/parser.rb, line 1218
def strip_value(value)
  return value unless @strip
  return value if value.nil?

  case @strip
  when String
    while value.delete_prefix!(@strip)
      # do nothing
    end
    while value.delete_suffix!(@strip)
      # do nothing
    end
  else
    value.strip!
  end
  value
end