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book/03-инструкции/src/chapter-3-6/app.d

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+import std.stdio;
+import std.conv;
+
+enum Berries { strawberry, blackberry, blueberry }
+
+string[] names = [
+        "Клубника",
+        "Ежевика",
+        "Черника"
+    ];
+
+void printBerry(Berries b)
+{
+    final switch (b)
+    {
+        case b.strawberry:
+            writeln(names[b.strawberry]);
+            break;
+        case b.blackberry:
+            writeln(names[b.blackberry]);
+            break;
+        case b.blueberry:
+            writeln(names[b.blueberry]);
+            break;
+    }
+}
+
+void main()
+{
+    int berry;
+    
+    readf("%s\n", berry);
+    printBerry(to!Berries(berry));
+}