Mastering Kotlin Coroutines/

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Solution: Hot and Cold Data Sources

Solution: Hot and Cold Data Sources

See the solution to the challenge presented previously.

We'll cover the following...

Solution

The solution to the challenge we just solved is as follows.

fun m(i: Int): Int {
   println("map$i ")
   return i * i * i
}

fun f(i: Int): Boolean {
   println("find$i ")
   return i >= 20
}

fun main() {
   sequenceOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
       .map { m(it) }
       .find { f(it) }
       .let { print(it) }
}
Complete solution to the challenge

Here is a line–by–line explanation of the code above:

  • Line 1: Create a function m which takes a value i of type ...