Hi! I started playing with Arrow and context rece...

# arrow

[Jakub Zalas]

Hi!

I started playing with Arrow and context receivers. The code below works as expected.

[Jakub Zalas]

Now, why's the context expected to be a parameter to the function instead of being... well, a context?

[Jakub Zalas]

I'd expect it to be this (which doesn't compile):

[Jakub Zalas]

this way it works:

[Jakub Zalas]

Now, why's the context expected to be a parameter to the function instead of being... well, a context?

[Jakub Zalas]

sorry, @franztesca, I'm not following 😕

[franztesca]

Sorry I misread the code and wrote not relavant stuff 😄
My guess is that context receivers are not implemented fully and they should work as you point out but it's not a covered use case yet.
I think this is not related to Arrow strictly, you may want to ask in another channel

[Jakub Zalas]

Makes sense! Thanks for confirming.

[Ron S]

Passing contexts is desugared into normal function parameters by the compiler. This is why the above with the context as parameter is valid code. Same goes for extension functions.

[Jakub Zalas]

FYI reported to jetbrains: https://youtrack.jetbrains.com/issue/KT-60953/Context-receivers-are-required-to-be-passed-as-an-explicit-argument-in-some-scenarios

It was categorized as a “problem” not a “bug”.