sajjadyousefnia

val x  = 5

sajjadyousefnia

val x  = 5

sajjadyousefnia

val list1: List<String> = listOf("a", "b")
val list2: List<Int> = listOf(1, 2, 3)

sajjadyousefnia

for (element in this) {
if (element is String) {
destination.add(element)
}
}

sajjadyousefnia

fun hasZeros(ints: List<Int>): Boolean {
    ints.forEach {
        if (it == 0) return true // returns from hasZeros
    }
    return false
}

sajjadyousefnia

inline fun <reified T>
Iterable<*>.filterIsInstance(): List<T>
val destination = mutableListOf<T>()
for (element in this) {
if (element is T) {
destination.add(element)
}
}
return destination
}

sajjadyousefnia

>>> val items = listOf("one", 2, "three")
>>> println(items.filterIsInstance<String>())
[one, three]

sajjadyousefnia

inline fun <reified T> isA(value: Any) = value is T
>>> println(isA<String>("abc"))
true
>>> println(isA<String>(123))
false

sajjadyousefnia

inline fun <reified T> isA(value: Any) = value is T
>>> println(isA<String>("abc"))
true
>>> println(isA<String>(123))
false

sajjadyousefnia

>>> fun <T> isA(value: Any) = value is T