multibinding.kt

fun main() {
    val koin = startKoin {
        val module1 = module {
            declareMultibinding<String, Int>()
            intoMultibinding("one", 1)
            intoMultibinding("two", 2)
            intoMultibinding("three", 3)

            declareMultibinding<String, Double>()
            intoMultibinding("one", 1.0)
        }
        val module2 = module {
            intoMultibinding("six", 6)
            intoMultibinding("seven", 7.0)

            declareMultibinding<Float, Unit>()
            intoMultibinding(3.14f, Unit)
        }
        modules(module1, module2)
    }.koin

    println(koin.getMultibinding<String, Int>()) // {one=1, two=2, six=6, three=3}
    println(koin.getMultibinding<String, Double>()) // {seven=7.0, one=1.0}
    println(koin.getMultibinding<Float, Unit>()) // {3.14=kotlin.Unit}
    
    val module3 = module {
        intoMultibinding("seven", 7)
    }
    koin.loadModules(listOf(module3))
    println(koin.getMultibinding<String, Int>()) // {one=1, two=2, six=6, three=3, seven=7}

    koin.unloadModules(listOf(module3))
    println(koin.getMultibinding<String, Int>()) // {one=1, two=2, six=6, three=3}
}