kotlin.native.concurrent.InvalidMutabilityException

companion object {

        internal var xs: Set<X> by atomic(HashSet())
            private set

        fun registerX(x: X) {
            xs = xs + x
        }

    }

atomic

inline fun <reified T> atomic(initial: T) = AtomicDelegate(initial)

AtomicDelegate

class AtomicDelegate<T>(initial: T) : ReadWriteProperty<Any?, T> {

    private val atomic = AtomicReference(initial)

    override fun getValue(thisRef: Any?, property: KProperty<*>): T =
        atomic.get()

    override fun setValue(thisRef: Any?, property: KProperty<*>, value: T) {
        atomic.set(value)
    }

}

AtomicReference

internal actual class AtomicReference<T> actual constructor(initial: T) {

    private val atomic =
        kotlin.native.concurrent.FreezableAtomicReference(initial)

    actual fun get(): T =
        atomic.value

    actual fun set(newValue: T) {
        atomic.compareAndSet(get(), newValue)
    }

}

registerX

Uncaught Kotlin exception: kotlin.native.concurrent.InvalidMutabilityException: mutation attempt of frozen kotlin.collections.HashSet@221c288

HashSet

+

new

1.3.60

IncorrectDereferenceException

altimeter?.stopRelativeAltitudeUpdates()

try

catch

update()

altimeter = CMAltimeter()
            altimeter?.startRelativeAltitudeUpdatesToQueue(NSOperationQueue.mainQueue) { data: CMAltitudeData?, error: NSError? ->
                update(data.pressure.doubleValue)
            }

class Agent(
    val var1: String,
    val var2: String,
    val var3: String,
    val var4: String,
    val var5: String,
    val var6: String,
    val var7: String,
    val var8: Boolean = false,
    val var9: String? = null,
    val var10: String? = null
)

var agent = Agent(...)

let a: MyType = ...
print(a) // MyType@c56528
print(Unmanaged.passUnretained(a).toOpaque()) // 0x0000000100c56500

a

plugins {
    id 'org.jetbrains.kotlin.multiplatform' version '1.3.60-dev-1981'
}
repositories {
    maven {
        url '<https://dl.bintray.com/kotlin/kotlin-dev/>'
    }
}

Plugin [id: 'org.jetbrains.kotlin.multiplatform', version: '1.3.60-dev-1981'] was not found in any of the following sources:
Gradle Core Plugins (plugin is not in 'org.gradle' namespace)
- Plugin Repositories (could not resolve plugin artifact 'org.jetbrains.kotlin.multiplatform:org.jetbrains.kotlin.multiplatform.gradle.plugin:1.3.60-dev-1981')
  Searched in the following repositories:
    Gradle Central Plugin Repository

cfg_init

CValuesRef<cfg_opt_t>?

cValuesOf

CValues<CPointerVar<cfg_opt_t>>

val targetStr = configString(name = "target".cstr, def = "NONE".cstr, flags = CFGF_NONE)
val end = configEnd()
val config = cfg_init(cValuesOf(targetStr, end), CFGF_NONE)

CPointer<ByteVar>

data.cstr

val bytes = byteArrayOf(1)
val mutableBytes = bytes.toMutableList()

val bytes = byteArrayOf(-1)
val mutableBytes = bytes.toMutableList() /* got a crash here on iOS */

bitcode bundle could not be generated because (...) was built without full bitcode.

GC.collect()

Memory.cpp:987: runtime assert: Must be positive

CPointer<ByteVar>?

String

CPointer<ByteVar>?

cstr

targets {
        // Android Arm64 Platform (Parent Platform)
        androidNativeArm64("androidNativeArm64")

        // Android Arm32 Platform
        androidNativeArm32("androidNativeArm32")

        // Configure Android
        configure([androidNativeArm64, androidNativeArm32]) {
            compilations.main.cinterops {
                XXXXXX
            }

            binaries {
                sharedLib {
                    baseName = "AndroidNative"
                }
            }
        }

        // *********************************************************

        // iOS Arm64 Platform (Parent Platform)
        iosArm64("iOSArm64")

        // iOS X64 Platform
        iosX64("iOSX64")

        // Configure iOS
        configure([iOSArm64, iOSX64]) {
            compilations.main.cinterops {
                XXXXXX
            }

            binaries {
                framework {
                    baseName = "iOS"
                }
            }
        }

        // *********************************************************

        // JVM Platform
        jvm()
    }

binaries {
                sharedLib {
                    baseName = iOSArm64 or iOSX64
                }
            }