!6 D语言移植

* Porting to D
* The pthread needed.

D/source/yitter/contract/IdGeneratorException.d

@@ -0,0 +1,29 @@
+/*
+ * 版权属于：yitter(yitter@126.com)
+ * 开源地址：https://gitee.com/yitter/idgenerator
+ */
+module yitter.contract.IdGeneratorException;
+
+class IdGeneratorException : Exception {
+
+    // this() {
+    //     super();
+    // }
+
+    this(string message) {
+        super(message);
+    }
+
+    // this(Throwable cause) {
+    //     super(cause);
+    // }
+
+    this(string message, Throwable cause) {
+        super(message, cause);
+    }
+
+    // this(string msgFormat, Object... args) {
+    //     super(string.format(msgFormat, args));
+    // }
+
+}