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BenHenning/ActivityScenarioExtensions.kt

Created October 15, 2020 22:37
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ActivityScenarioExtensions.kt
fun <A: Activity, R> ActivityScenario<T>.letInActivity(callback: (A) -> R): R {
data class NullWrapper<T>(val value: T)
lateinit var result: NullWrapper<R>
onActivity { activity -> result = NullWrapper(callback(activity)) }
return result.value
}
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