Android LruCache snapshot resize forEach，Kotlin

Android LruCache snapshot resize forEach，Kotlin

        var size = 5
        val cache = android.util.LruCache<String, WeakReference<String>>(size)
        cache.put("a", WeakReference("1"))
        cache.put("b", WeakReference("2"))
        cache.put("c", WeakReference("3"))
        cache.put("d", WeakReference("4"))
        cache.put("e", WeakReference("5"))

        cache.snapshot().forEach { (t, u) ->
            Log.d(TAG, "$t ${u.get()} forEach(t,u)")
        }

        cache.snapshot().entries.forEach {
            Log.d(TAG, "${it.key} ${it.value.get()} forEach")
        }

        cache.resize(size - 2)

        cache.snapshot().values.forEachIndexed { index, weakReference ->
            Log.d(TAG, "$index ${weakReference.get()} forEachIndexed")
        }

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