Feb 23 · 13 min read · Mental Model: What Is a Coroutine? A coroutine is a suspendable computation, represented as a state machine, executed under a Job, scheduled by a dispatcher and resumed via a continuation. It is not a
Join discussionFeb 21 · 6 min read · Flow cancellation is not an optional feature. It is a core part of how coroutines are designed to behave. When a collector stops collecting, the entire upstream flow is cancelled automatically. This i
Join discussionFeb 17 · 2 min read · There are real-world cases where producer is faster than consumer. By default, Flow is sequential. That means: Upstream emits Downstream processes Only then next value emits This is slow but safe. But differing speeds of producers and consumers ...
Join discussionFeb 16 · 6 min read · In this chapter we learn how to recover from failure automatically. Business Scenario Assumption: Country analytics calls a remote pricing service. That service sometimes fails. We want to retry a few times before giving up. This is exactly what...
Join discussionFeb 16 · 3 min read · Flow gives us structured exception handling. Business Scenario We will: Process stocks Throw an artificial exception for demonstration Handle it safely using catch Continue flow gracefully Code Implementation package org.kotlinflowlearner.stock...
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