cppdraft_translate/cppdraft/time/zone/db/access.md

[time.zone.db.access]

30 Time library [time]

30.11 Time zones [time.zone]

30.11.2 Time zone database [time.zone.db]

30.11.2.3 Time zone database access [time.zone.db.access]

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tzdb_list& get_tzdb_list();

1

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Effects: If this is the first access to the time zone database, initializes the database.

If this call initializes the database, the resulting database will be a tzdb_list holding a single initialized tzdb.

2

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Synchronization: It is safe to call this function from multiple threads at one time.

3

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Returns: A reference to the database.

4

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Throws: runtime_error if for any reason a reference cannot be returned to a valid tzdb_list containing one or more valid tzdbs.

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const tzdb& get_tzdb();

5

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Returns: get_tzdb_list().front().

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const time_zone* locate_zone(string_view tz_name);

6

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Returns: get_tzdb().locate_zone(tz_name).

7

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[Note 1:

The time zone database will be initialized if this is the first reference to the database.

— end note]

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const time_zone* current_zone();

8

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Returns: get_tzdb().current_zone().