Coroutines

Composite Recipes

Recipes that include further recipes, often including the individual recipes below.

• Find Flow operator antipatterns
• Find blocking calls inside coroutine contexts
• Find coroutine sequencing smells
• Find structured-concurrency leaks
• Modernize Kotlin coroutines code

Recipes

• Find Flow.collect calls inside a @Composable
• Find Flow.filter \{ \} .filter \{ \} chains
• Find Flow.flowOn placed after a terminal operator
• Find Flow.map \{ \} .map \{ \} chains
• Find GlobalScope.actor calls
• Find GlobalScope.async calls
• Find GlobalScope.launch calls
• Find GlobalScope.produce calls
• Find MutableStateFlow<T?>(null) declarations
• Find Object.notify / notifyAll calls inside suspend functions
• Find Object.wait calls inside suspend functions
• Find Thread.sleep calls inside suspend functions
• Find async \{ ... \}.await() patterns
• Find callbackFlow \{ \} blocks without an awaitClose \{ \} terminator
• Find coroutineScope \{ launch \{ ... \} \} with a single child
• Find debounce(...).distinctUntilChanged() patterns
• Find flowOf(...) calls — verify size
• Find forEach \{ it.join() \} over List<Job>
• Find map \{ it.await() \} over List<Deferred<T>>
• Find nested withContext calls
• Find raw CoroutineScope(...) constructions
• Find raw Job() allocations
• Find runBlocking calls inside a launch/async lambda
• Find runBlocking calls inside suspend functions
• Find shareIn calls without a timeout-parameterized start
• Find stateIn with SharingStarted.Eagerly or unparameterized start
• Find suspendCoroutine calls