public abstract class CpoolEntry
An entry in the constant pool of a ClassType.
Each entry belong to the constant pool table of the "owning"
ClassType. Hashing is used to make each entry unique (with a ClassType).
By convention, each sub-class has a static get_const method which is
used when a contant pool entry is need: The get_const method will
return an existing matching entry if possible, or allocate a new
one if needed.