`kotlinx coroutines` version `0 7 beta` is published It incl kotlinlang #coroutines

is published. It includes production-quality mostly lock-free implementation of Go-style channels that enable coroutines to safely share streams of arbitrary elements or messages without actually sharing any mutable state (e.g. share data by communicating). More details here: https://github.com/Kotlin/kotlinx.coroutines/blob/master/coroutines-guide.md#channels

👍 11

defhlt

02/07/2017, 9:26 AM

Can’t fully believe we are going to have channels on Android soon 🙂

kenkyee

02/07/2017, 12:10 PM

Does this look like Rx Observables to anyone else? ☺️

defhlt

02/07/2017, 12:35 PM

@kenkyee of course it does, but it’s potentially more powerful and simple. For instance, you can use language’s

for

if

and so on with it, but you can’t with rxjava (you need

filter

doOnEach

and so on)

elizarov

02/07/2017, 1:22 PM

It is conceptually very different from Rx. You can use it to do the same stuff that you do with Rx. However, you don’t have to learn dozens of Rx operators. With just a few primitives you can do control flow and logic of arbitrary complexity.

👍 1

defhlt

02/07/2017, 1:46 PM

will Kotlin have alts!/select operator?

elizarov

02/07/2017, 2:10 PM

yes

It will be called

select

. Something like:

select {
    chan1.receive() { elem1 -> doSmth(elem1) }
    chan2.receive() { elem2 -> doSmth(elem2) }
}

👍 1

To clarify, this is nothing to do with Kotlin as a language. It will be part of

kotlinx.coroutines

library. Kotlin as a language is powerful enough, so that all those features can be written in a library.

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