Write the specified rhs value to the specified output stream and return a reference to the modifiable stream. This function has no effect if stream is not valid on entry. Note that this method invokes operator<< defined for Datum. See the function-level documentation of the operator<< defined for Datum for details of the format of the output.
Declared in <bdld_manageddatum.h>
std::ostream&
operator<<(
std::ostream& stream,
ManagedDatum const& rhs);