count method

int count(
  1. Function1<A, bool> p
)
inherited

Return the number of elements in this collection that satisfy the given predicate.

Implementation

int count(Function1<A, bool> p) {
  var res = 0;
  final it = iterator;

  while (it.hasNext) {
    if (p(it.next())) res += 1;
  }

  return res;
}