std::locale::id::id (3) Linux Manual Page

std::locale::id::id – std::locale::id::id

Synopsis

Defined in header<locale>

id();
(1)

    id(const id &) = delete;
(2)

1) default constructor: creates an object of type std::locale::id with implementation-specific content.
2) copy constructor is deleted; std::locale::id is not copyable.

Notes

Because locales and facets must be available for the IO stream objects with static storage duration, such as std::cout, typical implementations let implicit default constructor zero-initialize the contents of std::locale::id during static initialization (before constructors run for static objects), and when a facet is added to any locale for the first time, the locale completes initialization of the facet’s id.