Function EqualBy

iterator.go:477–491

Determines if the elements of two Iterators are equal using function cmp to compare elements.

(first Iterator[T], second Iterator[T], cmp func(T, T) bool)

// Determines if the elements of two Iterators are equal using function cmp to
// compare elements.
func EqualBy[T any](first Iterator[T], second Iterator[T], cmp func(T, T) bool) bool {
	for {
		v := first.Next()
		if v.IsNone() {
			return second.Next().IsNone()
		}
		u := second.Next()
		if u.IsNone() {
			return false
		}
		if !cmp(v.Unwrap(), u.Unwrap()) {
			return false
		}
	}
}