validRegister
else if (registers.validRegister(i))
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
assert(validRegister(num));
bool validReg(int regNum) { return fRegisters.validRegister(regNum); }