The main coroutines guide has moved to the docs folder and split up into smaller documents.

Table of contents

• Coroutine Basics
  • Your first coroutine
  • Bridging blocking and non-blocking worlds
  • Waiting for a job
  • Structured concurrency
  • Scope builder
  • Extract function refactoring
  • Coroutines ARE light-weight
  • Global coroutines are like daemon threads

• Cancellation and Timeouts
  • Cancelling coroutine execution
  • Cancellation is cooperative
  • Making computation code cancellable
  • Closing resources with finally
  • Run non-cancellable block
  • Timeout

• Composing Suspending Functions
  • Sequential by default
  • Concurrent using async
  • Lazily started async
  • Async-style functions
  • Structured concurrency with async

• Coroutine Context and Dispatchers
  • Dispatchers and threads
  • Unconfined vs confined dispatcher
  • Debugging coroutines and threads
  • Jumping between threads
  • Job in the context
  • Children of a coroutine
  • Parental responsibilities
  • Naming coroutines for debugging
  • Combining context elements
  • Coroutine scope
  • Thread-local data

• Asynchronous Flow
  • Representing multiple values
    • Sequences
    • Suspending functions
    • Flows
  • Flows are cold
  • Flow cancellation
  • Flow builders
  • Intermediate flow operators
    • Transform operator
    • Size-limiting operators
  • Terminal flow operators
  • Flows are sequential
  • Flow context
    • Wrong emission withContext
    • flowOn operator
  • Buffering
    • Conflation
    • Processing the latest value
  • Composing multiple flows
    • Zip
    • Combine
  • Flattening flows
    • flatMapConcat
    • flatMapMerge
    • flatMapLatest
  • Flow exceptions
    • Collector try and catch
    • Everything is caught
  • Exception transparency
    • Transparent catch
    • Catching declaratively
  • Flow completion
    • Imperative finally block
    • Declarative handling
    • Upstream exceptions only
  • Imperative versus declarative
  • Launching flow
  • Flow and Reactive Streams

• Channels
  • Channel basics
  • Closing and iteration over channels
  • Building channel producers
  • Pipelines
  • Prime numbers with pipeline
  • Fan-out
  • Fan-in
  • Buffered channels
  • Channels are fair
  • Ticker channels

• Exception Handling
  • Exception propagation
  • CoroutineExceptionHandler
  • Cancellation and exceptions
  • Exceptions aggregation
  • Supervision
    • Supervision job
    • Supervision scope
    • Exceptions in supervised coroutines

• Shared mutable state and concurrency
  • The problem
  • Volatiles are of no help
  • Thread-safe data structures
  • Thread confinement fine-grained
  • Thread confinement coarse-grained
  • Mutual exclusion
  • Actors

• Select Expression (experimental)
  • Selecting from channels
  • Selecting on close
  • Selecting to send
  • Selecting deferred values
  • Switch over a channel of deferred values