Shownotes

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!")

}

Sponsors 🙏

Check them out at: https://sentry.io/for/android/

Contact