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Code
data class Customer(val isPlatinum: Boolean)
fun main() {
val customer = Customer(false)
println("Number of points customer has: ${calculatePoints(customer)}")
// Break out of the loop once we're over 25
for (i in 1..100) {
if (i > 25) {
break
} else {
println(i)
}
}
// Skip all even numbers
for (i in 1..100) {
if (i % 2 == 0) {
continue
} else {
println(i)
}
}
// Break out of the outer loop (which breaks out of the inner too) using a label
donn@ for (i in 1..100) {
for (j in 100..200) {
if (j > 150) break@donn // This will break out of the inner loop and outer loop
else println("i: $i, j: $j")
}
}
// Continue processing the next outer loop value when a condition is met.
donn@ for (i in 1..100) {
for (j in 100..200) {
if (j > 150) continue@donn // This will break out of the inner loop and outer loop
else println("i: $i, j: $j")
}
}
// returns with label
example1()
example2()
println("I'm done processing!")
}
fun calculatePoints(customer: Customer): Int {
if (customer.isPlatinum) {
return 100000
} else {
return 10
}
}
fun example1() {
listOf(1, 2, 3, 4, 5, 6, 7, 8, 9).forEach {
if (it > 7) {
return
} else {
println(it)
}
}
println("This wont print :( because return exited the bar() function")
}
fun example2() {
listOf(1, 2, 3, 4, 5, 6, 7, 8, 9).forEach bin@ {
if (it > 7) {
return@bin
} else {
println(it)
}
}
println("This will print! :) return exited the forEach!")
}
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