Intersecting number wheels: Difference between revisions
Added C#
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</pre>
=={{header|C sharp}}==
<lang csharp>using System;
using System.Collections.Generic;
using System.Linq;
public static class IntersectingNumberWheels
{
public static void Main() {
TurnWheels(('A', "123")).Take(20).Print();
TurnWheels(('A', "1B2"), ('B', "34")).Take(20).Print();
TurnWheels(('A', "1DD"), ('D', "678")).Take(20).Print();
TurnWheels(('A', "1BC"), ('B', "34"), ('C', "5B")).Take(20).Print();
}
static IEnumerable<char> TurnWheels(params (char name, string values)[] wheels) {
var data = wheels.ToDictionary(wheel => wheel.name, wheel => wheel.values.Loop().GetEnumerator());
var primary = data[wheels[0].name];
while (true) {
yield return Turn(primary);
}
char Turn(IEnumerator<char> sequence) {
sequence.MoveNext();
char c = sequence.Current;
return char.IsDigit(c) ? c : Turn(data[c]);
}
}
static IEnumerable<T> Loop<T>(this IEnumerable<T> seq) {
while (true) {
foreach (T element in seq) yield return element;
}
}
static void Print(this IEnumerable<char> sequence) => Console.WriteLine(string.Join(" ", sequence));
}</lang>
{{out}}
<pre>
1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2
1 3 2 1 4 2 1 3 2 1 4 2 1 3 2 1 4 2 1 3
1 6 7 1 8 6 1 7 8 1 6 7 1 8 6 1 7 8 1 6
1 3 5 1 4 3 1 4 5 1 3 4 1 3 5 1 4 3 1 4</pre>
=={{header|F_Sharp|F#}}==
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