Invoke the specified hashAlgorithm on the value of the specified datum object. Note that the value of a User Defined Type in Datum is a combination of its type integer and the address (pointer value), not the actual value of the object that the pointer points to.
Declared in <bdld_datum.h>
template<class t_HASH_ALGORITHM>
void
hashAppend(
t_HASH_ALGORITHM& hashAlgorithm,
Datum const& datum);