src/main/java/org/nustaq/offheap/structs/FSTStruct.java
public void baseOn(byte base[], long offset, FSTStructFactory fac) {
        ___bytes = new HeapBytez(base); ___offset = offset; ___fac = fac;
    }
public void baseOn(byte base[], long offset, FSTStructFactory fac) {
        ___bytes = new HeapBytez(base); ___offset = offset; ___fac = fac;
    }
set this struct pointer to base array at given offset (=bufoff+index)

@param base
@param offset direct offset to byte array element (=FSTStruct.bufoff+array index)