Write the value of the specified object to the specified output stream in a single-line format, and return a reference to stream. If stream is not valid on entry, this operation has no effect. Note that this human-readable format is not fully specified and can change without notice. Also note that this method has the same behavior as `object.print(stream, 0, -1)`.
Declared in <baltzo_localtimeperiod.h>
std::ostream&
operator<<(
std::ostream& stream,
LocalTimePeriod const& object);