class TZInfo::TZDataObservance

:nodoc:
@private
A observance within a zone (a line within the zone definition).

def initialize(utc_offset, rule_set, format, valid_until) 

def initialize(utc_offset, rule_set, format, valid_until)
  @utc_offset = TZDataParser.parse_offset(utc_offset)
  @rule_set = rule_set      
  @format = TZDataFormat.new(format)
  @valid_until = valid_until.nil? ? nil : TZDataUntil.new(valid_until)      
end

def std_offset 

def std_offset
  if @rule_set.kind_of?(TZDataFixedOffsetRules)
    @rule_set.offset
  else
    0
  end
end