and method

LoStatus and(LoStatus other)

Behaves like the logical and operator but for LoStatus to accumulate field statuses to compute the form status.

A	B	Result
invalid	any	invalid
pure	pure	pure
valid	valid	valid
pure	valid	mixed
valid	pure	mixed

Implementation

LoStatus and(LoStatus other) {
  if (isInvalid || other.isInvalid) return LoStatus.invalid;
  if (isPure && other.isPure) return LoStatus.pure;
  if (isValid && other.isValid) return LoStatus.valid;
  return LoStatus.mixed;
}