intoMultibinding.kt

inline fun <reified K, reified V> Module.intoMultibinding(key: K, value: V) {
    var multibinding: Multibinding<K, V>? = null
    single(
        qualifier = named("${K::class.getFullName()}_${V::class.getFullName()}_$key"),
        createdAtStart = true,
    ) {
        multibinding = get(multibindingQualifier<K, V>())
        multibinding!![key] = value
    }.onClose {
        multibinding?.remove(key)
    }
}