Initial data commit

Task/Distributed-programming/Wren/distributed-programming-4.wren

@@ -0,0 +1,16 @@
+/* distributed_programming_client.wren */
+
+import "./fmt" for Fmt
+
+foreign class Client {
+    construct dialHTTP(network, address) {}
+
+    foreign call(serviceMethod, arg)
+}
+
+var client = Client.dialHTTP("tcp", "localhost:1234")
+var amounts = [3, 5.6]
+for (amount in amounts) {
+    var tax = client.call("TaxComputer.Tax", amount)
+    Fmt.print("Tax on $0.2f = $0.2f", amount, tax)
+}