SAM Issue Resolved with Upcoming Type Inference Overhaul

[thomasnield]

At KotlinConf 2018, a new type inference system was announced and it will fix the SAM issue. I believe this is going to be in experimental stages for some time and is slated for Kotlin 1.4.

I am documenting this right now so we'll remember to deprecate the SAM helper functions upon the release of this much-needed feature.

[stepango]

Guys from Kotlin announced Experimental mechanism for libraries same as for compiler experimental features. Probably we could use it to support new type inference.

[thomasnield]

I kept looking for a timeline for this, did they announce any?

[thomasnield]

It looks like this is available as an experimental feature in Kotlin 1.3. Here is how to activate it: https://discuss.kotlinlang.org/t/new-type-inference-in-kotlin-1-3-0-rc-190/9914/2

[bubenheimer]

This produces warnings now when building with Kotlin 1.4.0 and RxKotlin 3.0.0, due to several candidates being available:

Candidate resolution will be changed soon, please use fully qualified name to invoke the following closer candidate explicitly

Edit: The case I encountered was readily fixed by removing the extension function import. My bad.

[vpriscan]

@bubenheimer this has been handled on the 3.x-new-type-inference branch, will merge to main branch soon.

[vpriscan]

#238 deprecates SAM helper functions

[victorMontero]

How u can unsubscribe from this list!? I’ve tried so many ways:(

On Wed, 26 Aug 2020 at 17:13 Vedran Prišćan [email protected] wrote:

#238 https://github.com/ReactiveX/RxKotlin/pull/238 deprecates SAM helper functions

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