Features

QIO has an edge over other standard effect libraries.

Feature	Promise	RxJS	Fluture	QIO
Manage asynchronous side-effects	✔	✔	✔	✔
Manager synchronous side-effects		✔	✔	✔
Control parallelism precisely		✔	✔	✔
Cancellation of side-effects		✔	✔	✔
Highly Composable		✔	✔	✔
Purely Functional			✔	✔
Typed Exceptions			✔	✔
Exception composition			✔	✔
Resource Safety			✔	✔
Inter-operate with Streams				✔
Support for dependency injection				✔
Cooperative yielding of tasks				✔