several more addings

common/build.gradle

@@ -0,0 +1,6 @@
+plugins {
+    id "org.jetbrains.kotlin.multiplatform"
+    id "org.jetbrains.kotlin.plugin.serialization"
+}
+
+apply from: "$mppProjectWithSerializationPresetPath"

common/src/commonMain/kotlin/dev/inmo/micro_utils/common/DiffUtils.kt

@@ -0,0 +1,10 @@
+package dev.inmo.micro_utils.common
+
+fun <T> Iterable<T>.syncWith(
+    other: Iterable<T>,
+    removed: (List<T>) -> Unit = {},
+    added: (List<T>) -> Unit = {}
+) {
+    removed(filter { it !in other })
+    added(other.filter { it !in this })
+}

common/src/commonMain/kotlin/dev/inmo/micro_utils/common/InputAllocator.kt

@@ -0,0 +1,27 @@
+package dev.inmo.micro_utils.common
+
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.builtins.ByteArraySerializer
+import kotlinx.serialization.descriptors.SerialDescriptor
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+
+typealias ByteArrayAllocator = () -> ByteArray
+
+val ByteArray.asAllocator: ByteArrayAllocator
+    get() = { this }
+
+object ByteArrayAllocatorSerializer : KSerializer<ByteArrayAllocator> {
+    private val realSerializer = ByteArraySerializer()
+    override val descriptor: SerialDescriptor = realSerializer.descriptor
+
+    override fun deserialize(decoder: Decoder): ByteArrayAllocator {
+        val bytes = realSerializer.deserialize(decoder)
+        return { bytes }
+    }
+
+    override fun serialize(encoder: Encoder, value: ByteArrayAllocator) {
+        realSerializer.serialize(encoder, value())
+    }
+}
+