sajjadyousefnia

private val clickSubject = PublishSubject.create<String>()

sajjadyousefnia

val oneToFive = 1..5

sajjadyousefnia

for (n in oneToFive) {
    print(n)
}

sajjadyousefnia

for (n in 1..5) {
    print(n)
}

sajjadyousefnia

 val aToZ = "a".."z" 

sajjadyousefnia

val oneToFive: IntRange = 1.rangeTo(5)

sajjadyousefnia

val fiveToOne = 5.downTo(1)

sajjadyousefnia

val oneToTenStep = 1..10 step 2 // 1, 3, 5, 7, 9

sajjadyousefnia

if (5 in 1..10) {
    print("Yes 5 is in the range") // prints "Yes 5 is in the range"
}

sajjadyousefnia

public interface Collection<out E> : Iterable<E> {
    public val size: Int
    public fun isEmpty(): Boolean
    public operator fun contains(element: @UnsafeVariance E): Boolean
    override fun iterator(): Iterator<E>
    public fun containsAll(elements: Collection<@UnsafeVariance E>): Boolean
}