TimeZoneInfo.Transformer.Rule (TimeZoneInfo v0.7.8)

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This module handles and transforms the IANA rules.

Summary

Functions

max(rules)

Returns all rules form the rule set that are for now valid until end of time.

max?(rule_or_rules)

Returns true if rule is valid until end of time or one of the rules is valid until end of time.

to_rule_set(rules, lookahead)

Returns a rule-set for the given rules.

to_rule_sets(rules, lookahead)

Returns a map of rule-set for the given map of rules.

transform(rule)

Transforms a IanaParser.rule to a TimeZoneInfo.rule. If the function gets a list then all rules will be transformed.

Functions

max(rules)

@spec max([TimeZoneInfo.IanaParser.rule()]) :: [TimeZoneInfo.IanaParser.rule()]

Returns all rules form the rule set that are for now valid until end of time.

max?(rule_or_rules)

@spec max?(rule | rules) :: boolean()
when rule: TimeZoneInfo.IanaParser.rule(),
     rules: [TimeZoneInfo.IanaParser.rule()]

Returns true if rule is valid until end of time or one of the rules is valid until end of time.

to_rule_set(rules, lookahead)

@spec to_rule_set([TimeZoneInfo.rule()], non_neg_integer()) ::
  TimeZoneInfo.Transformer.RuleSet.t()

Returns a rule-set for the given rules.

to_rule_sets(rules, lookahead)

@spec to_rule_sets(
  %{required(String.t()) => [TimeZoneInfo.rule()]},
  non_neg_integer()
) :: %{
  required(String.t()) => TimeZoneInfo.Transformer.RuleSet.t()
}

Returns a map of rule-set for the given map of rules.

transform(rule)

@spec transform(rule | rules) :: TimeZoneInfo.rule() | [TimeZoneInfo.rule()]
when rule: TimeZoneInfo.IanaParser.rule(),
     rules: [TimeZoneInfo.IanaParser.rule()]

Transforms a IanaParser.rule to a TimeZoneInfo.rule. If the function gets a list then all rules will be transformed.