std::chrono::tzdb_list(3)  Library Functions Manual  std::chrono::tzdb_list(3)

NAME
       std::chrono::tzdb_list

SYNOPSIS
       #include <chrono>

   Classes
       class const_iterator

   Public Member Functions
       tzdb_list (const tzdb_list &)=delete
       const_iterator begin () const noexcept
       const_iterator cbegin () const noexcept
       const_iterator cend () const noexcept
       const_iterator end () const noexcept
       const_iterator erase_after (const_iterator __p)
       const tzdb & front () const noexcept
       tzdb_list & operator= (const tzdb_list &)=delete

   Friends
       const tzdb & get_tzdb ()
       tzdb_list & get_tzdb_list ()
       class leap_second
       const tzdb & reload_tzdb ()
       struct time_zone::_Impl
       class time_zone_link
       struct tzdb

Detailed Description
       The list of chrono::tzdb objects

       A single object of this type is constructed by the C++ runtime, and can
       be accessed by calling chrono::get_tzdb_list().

       The front of the list is the current tzdb object and can be accessed
       via chrono::get_tzdb_list().front() or chrono::get_tzdb() or
       *chronoget_tzdb_list().begin().

       The chrono::reload_tzdb() function will check for a newer version and
       if found, insert it at the front of the list.

       Since
           C++20

Member Function Documentation
   const_iterator std::chrono::tzdb_list::erase_after (const_iterator __p)
       Remove the tzdb object after the one the iterator refers to.

       Calling this function concurrently with any of front(), begin(), or
       end() does not cause a data race, but in general this function is not
       thread-safe. The behaviour may be undefined if erasing an element from
       the list while another thread is calling the same function, or
       incrementing an iterator into the list, or accessing the element being
       erased (unless it is accessed through an iterator).

       Parameters
           __p A dereferenceable iterator.

       Returns
           An iterator the element after the one that was erased (or end() if
           there is no such element).

       Since
           C++20

   const tzdb & std::chrono::tzdb_list::front () const [noexcept]
       Access the current tzdb at the front of the list.

       This returns a reference to the same object as chrono::get_tzdb().

       Returns
           A reference to the current tzdb object.

       Since
           C++20



Author
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