#34 kotlin basic: enum class

kotlin-basic/src/main/kotlin/12_enum.kt

@@ -0,0 +1,41 @@
+enum class PaymentStatus(val label: String): Payable {
+    UNPAID("미지급") {
+        override fun isPayable(): Boolean = true
+    },
+    PAID("지급 완료") {
+        override fun isPayable(): Boolean = false
+
+    },
+    FAILED("지급 실패") {
+        override fun isPayable(): Boolean = false
+
+    },
+    REFUNDED("환불") {
+        override fun isPayable(): Boolean = false
+    };
+
+}
+
+interface Payable {
+    fun isPayable(): Boolean
+}
+
+fun main() {
+
+    println(PaymentStatus.REFUNDED.label)
+
+    if (PaymentStatus.UNPAID.isPayable()) {
+        println("결제 가능 상태")
+    }
+
+    val paymentStatus = PaymentStatus.valueOf("PAID")
+    println(paymentStatus.label)
+
+    if (paymentStatus == PaymentStatus.PAID) {
+        println("결제 완료 상태")
+    }
+
+    for (status in PaymentStatus.values()) {
+        println("[${status.name}](${status.label}) : ${status.ordinal}")
+    }
+}