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IndexedValueSerializer.kt
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IndexedValueSerializer.kt
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package dev.inmo.micro_utils.common
import kotlinx.serialization.KSerializer
import kotlinx.serialization.Serializer
import kotlinx.serialization.builtins.PairSerializer
import kotlinx.serialization.builtins.serializer
import kotlinx.serialization.descriptors.SerialDescriptor
import kotlinx.serialization.encoding.Decoder
import kotlinx.serialization.encoding.Encoder
class IndexedValueSerializer<T>(private val subSerializer: KSerializer<T>) : KSerializer<IndexedValue<T>> {
private val originalSerializer = PairSerializer(Int.serializer(), subSerializer)
override val descriptor: SerialDescriptor
get() = originalSerializer.descriptor
override fun deserialize(decoder: Decoder): IndexedValue<T> {
val pair = originalSerializer.deserialize(decoder)
return IndexedValue(
pair.first,
pair.second
)
}
override fun serialize(encoder: Encoder, value: IndexedValue<T>) {
originalSerializer.serialize(
encoder,
Pair(value.index, value.value)
)
}
}