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Kotlin Community

2019 November 18

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Andrew Mikhaylov in Kotlin Community
Котлин? Используйте функциональные типы: (A, B, C) -> D. Эту штуку вполне можно тыкать в качестве типа параметра, проперти, чего угодно.
У нас, если что, по котлину чаты есть, можно задавать вопросы там :)
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Andrew Mikhaylov in Kotlin Community
спасибо
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Andrew Mikhaylov in Kotlin Community
Не взлетело?
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Roman Ushakov in Kotlin Community
ну это немного не то
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Roman Ushakov in Kotlin Community
хочу через "::"
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Konstantin Zolotov in Kotlin Community
Roman Ushakov
хочу через "::"
это на вызывающей стороне
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KZ

Konstantin Zolotov in Kotlin Community
fun three(a: Float, b: Int, c: Long): String {
   return "$a $b $c"
}

fun receiver(fn: (Float, Int, Long) -> String) {}

fun main() {
   val result = receiver(::three)
}
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Andrew Mikhaylov in Kotlin Community
Ну так это в паре работает -- в поле, принимающее () -> Unit, можно передать референс на метод с этой сигнатурой с помощью ::
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Patrick Lemke in Kotlin Community
When I create a new Kotlin Multiplatform Library Project on MacOS and click build on the gradle settings tab, I get this error:
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Patrick Lemke in Kotlin Community
e: org.jetbrains.kotlin.konan.KonanExternalToolFailure: The /usr/bin/xcrun command returned non-zero exit code: 72.
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Patrick Lemke in Kotlin Community
I couldn't find any information on this error. Does anyone know how to resolve it?
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Andrew Mikhaylov in Kotlin Community
Wild guess: does XCode version correspond to Kotlin/Native one?
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Shahid Ahamed in Kotlin Community
What are stepa i need to follow to create an ecommerce mobile application
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Andrew Mikhaylov in Kotlin Community
Shahid Ahamed
What are stepa i need to follow to create an ecommerce mobile application
Sorry, this question is unrelated to Kotlin, so it's off-topic here (and is quite huge for the chat in general).
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Andrew Mikhaylov in Kotlin Community
Patrick Lemke
e: org.jetbrains.kotlin.konan.KonanExternalToolFailure: The /usr/bin/xcrun command returned non-zero exit code: 72.
Which versions of XCode and Kotlin/Native do you use?
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Shahid Ahamed in Kotlin Community
Kotlin is for app creation?
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Patrick Lemke in Kotlin Community
Andrew Mikhaylov
Wild guess: does XCode version correspond to Kotlin/Native one?
I don't have XCode installed. Could that be the issue?
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Andrew Mikhaylov in Kotlin Community
Patrick Lemke
I don't have XCode installed. Could that be the issue?
Definitely.
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Patrick Lemke in Kotlin Community
Andrew Mikhaylov
Definitely.
Thanks I will report back once it's installed
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Andrew Mikhaylov in Kotlin Community
Shahid Ahamed
Kotlin is for app creation?
We are here to support developers in different programming questions related specifically to the language. Your question is very broad and is not about the language.
I kindly ask you to search for different places to discuss it, or I'll have to mute you.
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