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Kotlin/Native Alec Strong

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package com.sample import java.util.ArrayList object Main { @JvmStatic fun main(args: Array) { val names = ArrayList() names.add("Shawn") names.add("Matt") names.add("Alec") names.add("James") names.add("Egor") names.forEach(System.out::println) } }

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What is native? machine code

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What is machine code?

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What is byte code? machine

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What is managed code? byte
 machine

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What is unmanaged code? managed
 byte
 machine

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What is kotlin?

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Front End .kotlin Kotlin Compiler

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Front End .kotlin Middle End IR Kotlin Compiler

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Front End .kotlin Middle End IR Back End IR .class Kotlin Compiler

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Front End .c / .cpp LLVM

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Front End .c / .cpp Middle End IR LLVM

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Front End .c / .cpp Middle End IR IR Back End .exe … LLVM

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Front End .c / .cpp Middle End IR Back End IR .exe … LLVM Clang

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Front End .c / .cpp Middle End IR Back End IR .exe … LLVM Clang

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Front End .kotlin Middle End IR Back End IR .kexe … Kotlin/Native Compiler Konan LLVM

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Why?

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How?

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import java.util.ArrayList object Main { @JvmStatic fun main(args: Array) { val names = ArrayList() names.add("Shawn") names.add("Matt") names.add("Alec") names.add("James") names.add("Egor") names.forEach(System.out::println) } }

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import java.util.ArrayList object Main { @JvmStatic fun main(args: Array) { val names = ArrayList() names.add("Shawn") names.add("Matt") names.add("Alec") names.add("James") names.add("Egor") names.forEach(System.out::println) } }

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import java.util.ArrayList object Main { @JvmStatic fun main(args: Array) { val names = ArrayList() names.add("Shawn") names.add("Matt") names.add("Alec") names.add("James") names.add("Egor") names.forEach(System.out::println) }A }

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fun main(args: Array) { val names = ArrayList() names.add("Shawn") names.add("Matt") names.add("Alec") names.add("James") names.add("Egor") names.forEach(::println) }A

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Kotlin Stdlib

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Kotlin Stdlib (And things built using kotlin stdlb)

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Kotlin Multiplatform

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Platform Agnostic Code

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apply plugin: 'konan'

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konanArtifacts { program('foo') // executable 'foo' library('bar') // library 'bar' bitcode('baz') // bitcode file 'baz' interop('qux') // interoperability dynamic('quux') // dynamic library frameworkA('quuux')A//AObjective-C }A

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konanArtifacts { frameworkA('quuux')A//AObjective-C }A

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iOS

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• No swift header support • Enums • Generics • Value Types • Garbage Collection

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Garbage Collection

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Kotlin/Native