I think there is observable delegation or something, so you can call a method on setting

Example.js

I think there is observable delegation or something, so you can call a method on setting

http://kotlinlang.org/docs/reference/delegated-properties.html#observable

Oh, ok, reading

p.s. there isn’t a “reply to” on Slack?

@alexfacciorusso: no reply button, just @mention people

@alexfacciorusso: Well you can use the set & get 😄

@yoavst: yes, but the problem is that with setter I must create a backing field and practically not using it

doesn't

$field

work? according to Kotlin's blog soon it will become

field

.

yes, it works, but I read that without an explicit setter, Kotlin doesn’t create a backing field

if you have a custom setter for a property, then this setter defines everything that happens when the property is assigned to

so if you ned to store the value, then yes, you need to assign the value to the backing field of the property

there is no other way this could work

@yole: got it

@yole id this feedback on language changes being scavenged back to the team? Or should it all be in youtrack, or #C0B9K7EP2?

'emit' isn't just about code structure, it is about compiler checking and helping avoid accidental changes to meaning when lines are added below existing lines meant to emit values from expressions

To me, “emit” hints that there might be more values emitted later (a bit like “yield” does)

“return” has a more definitive tone

Somehow I don’t find the current design confusing (but maybe because I’m already familiar with FP ??), but if a keyword or symbol has to be added for that I like the

<-

suggested by someone in the blog post comments

^

is supposed to be an up arrow so semantically it’s similar but I find

<-

more self-explanatory.

I agree with the general problem that returns that are just expressions are sometimes a bit hard to visually parse

I honestly like

^

, it's quick and simple and doesn't introduce any reserved keywords

Yeah I was initially reluctant to it but now I realize it’s only for implicit returns, so I’m warming up to it

hi all, is there any good tutorial on working with Kotlin & JNI that isnt related to android?

haven’t seen one. I don’t think there’s any difference between using JNI with Java and Kotlin

I'm no expert in JNI. It seems that you need to create a header file via

javah

command. Does it work for kt file? Do we have anything similar?

javah

works for .class files, so you can use it on files compiled by Kotlin

external

modifier in Kotlin on functions with no body is equivalent to Java's

native

@udalov excellent info. Thanks a ton

@udalov, I'm having trouble with running javah on compiled class file. "Could not find class file for "FooTest". I provided a fully qualified name for the class also.

@fuzzdota: I'll message you directly