lookupEq method

Option<T> lookupEq(
  1. Eq<T> eq,
  2. T element
)

Get first element equal to element in this Iterable.

Returns None if no such element.

Implementation

Option<T> lookupEq(Eq<T> eq, T element) {
  for (var e in this) {
    if (eq.eqv(e, element)) return some(e);
  }
  return const None();
}