Moshi generic type adapters

MoshiExtensions.kt

import com.squareup.moshi.JsonAdapter
import com.squareup.moshi.Moshi
import com.squareup.moshi.Types
import java.lang.reflect.Type

// val adapter = moshi.listAdapter<MyModel>()
// val adapter = moshi.mapAdapter<String, List<MyModel>>(valueType = listType<MyModel>())

inline fun <reified E> Moshi.listAdapter(elementType: Type = E::class.java): JsonAdapter<List<E>> {
    return adapter(listType<E>(elementType))
}

inline fun <reified K, reified V> Moshi.mapAdapter(
        keyType: Type = K::class.java,
        valueType: Type = V::class.java): JsonAdapter<Map<K, V>> {
    return adapter(mapType<K, V>(keyType, valueType))
}

inline fun <reified E> listType(elementType: Type = E::class.java): Type {
    return Types.newParameterizedType(List::class.java, elementType)
}

inline fun <reified K, reified V> mapType(
        keyType: Type = K::class.java,
        valueType: Type = V::class.java): Type {
    return Types.newParameterizedType(Map::class.java, keyType, valueType)
}