Solution: Hot and Cold Data Sources
Explore how to distinguish between hot and cold data sources in Kotlin coroutines. Understand their behavior through practical function examples involving sequences, mapping, and filtering. This lesson helps you grasp how coroutines handle data streams and how to apply these concepts effectively in Android development.
We'll cover the following...
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
Explanation
Here is a line–by–line explanation of the code above:
-
Line 1: Create a function
mwhich takes a valueiof typeIntand returns a value of type also ...