cpp/locale/time put

Class template encapsulates date and time formatting rules. The I/O manipulator std uses the facet of the I/O stream's locale to generate text representation of an std object.

If a specialization is not guaranteed to be provided by the standard library (see below), the behaviors of its put and do_put are not guaranteed as specified.

Specializations
The standard library is guaranteed to provide the following specializations (they are ):

In addition, the standard library is also guaranteed to provide every specialization that satisfies the following type requirements:
 * is one of and, and
 * must meet the requirements of.