IncorrectDereferenceException

altimeter?.stopRelativeAltitudeUpdates()

try

catch

update()

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

header

!!

interface Middleware<S, A, A2> where S : State, A : Action, A2 : Action {
    fun reduceAction(state: S, action: A): A2
}

val middleWareMap: Map<KClass<*>, Middleware<AppState, *, *>>

foo?. { {//block to execute if null}, {//block to execute if not null}}

this

inline fun <T> T?.someName(nullFunc: () -> Unit, nonNullFunc: () -> Unit): T? {
    return this?.also {
        nonNullFunc()
    } ?: null.also {
        nullFunc()
    }
}

apply(from = "CoreDependency.gradle.kts")

seales State {
    Disabled
    sealed Enabled {
       Foo
       Bar
    }
}

with callsite of for example State.Enabled.Foo

State
DisabledState : State
EnabledState : State
FooState : EnabledState
BarState : EnabledState

public WebTestClient.BodyContentSpec isEqualTo(Object expectedValue) {
		this.pathHelper.assertValue(this.content, expectedValue);
		return this.bodySpec;
	}

Any

null

fun Boolean.toInt() = if (this) 1 else 0