PairOfSameType
Pair(A a, B b)
A
car()
B
cdr()
static <L, R> Pair<L,R>
create(L x, R y)
boolean
equalElts(A left, B right)
equals(Object other)
getLeft()
getRight()
int
hashCode()
String
toString()
getClass, notify, notifyAll, wait, wait, wait
hashCode
Object
equals
toString