Data commit

Task/Integer-sequence/D/integer-sequence-2.d

@@ -0,0 +1,36 @@
+import std.stdio, std.traits, std.bigint, std.string;
+
+void integerSequence(T)() if (isIntegral!T || is(T == BigInt)) {
+    T now = 1;
+    T max = 0;
+    static if (!is(T == BigInt))
+        max = T.max;
+
+    do
+        write(now, " ");
+    while (now++ != max);
+
+    writeln("\nDone!");
+}
+
+void main() {
+    writeln("How much time do you have?");
+    writeln(" 0. I'm in hurry.");
+    writeln(" 1. I've some time.");
+    writeln(" 2. I'm on vacation.");
+    writeln(" 3. I'm unemployed...");
+    writeln(" 4. I'm immortal!");
+    write("Enter 0-4 or nothing to quit: ");
+
+    string answer;
+    readf("%s\n", &answer);
+
+    switch (answer.toLower()) {
+        case "0": integerSequence!ubyte();  break;
+        case "1": integerSequence!short();  break;
+        case "2": integerSequence!uint();   break;
+        case "3": integerSequence!long();   break;
+        case "4": integerSequence!BigInt(); break;
+        default: writeln("\nBye bye!");     break;
+    }
+}