The fold and scan Functions
Explore how to use the fold and scan functions to process data streams in Kotlin Flow. This lesson helps you understand fold as a terminal operation that combines all values and scan as an intermediate operation producing all intermediate accumulated values. Gain practical knowledge to handle flow updates and state changes effectively.
fold
If we use collection processing functions, we might recognize fold. It’s used to combine all the values in this collection into one by applying an operation that combines two values into one for each element (starting from the initial value).
For example, if the initial value is 0 and the operation is addition, then the ...