RosettaCodeData/Task/Amb/C-sharp/amb-4.cs

33 lines
1.1 KiB
C#

using System.Linq;
using static System.Console;
namespace Amb {
class Program {
static void Main(string[] args) {
var amb = new Amb();
var set1 = amb.Choose("the", "that", "a");
var set2 = amb.Choose("frog", "elephant", "thing");
amb.Require(() => set1.Value.Last() == set2.Value[0]);
var set3 = amb.Choose("walked", "treaded", "grows");
amb.Require(() => set2.Value.Last() == set3.Value[0]);
var set4 = amb.Choose("slowly", "quickly");
amb.Require(() => set3.Value.Last() == set4.Value[0]);
WriteLine(amb.Disambiguate()? $"{set1} {set2} {set3} {set4}" : "Amb failed");
Read();
// problem from http://www.randomhacks.net/articles/2005/10/11/amb-operator
amb = new Amb();
var x = amb.Choose(1, 2, 3);
var y = amb.Choose(4, 5, 6);
amb.Require(() => x.Value * y.Value == 8);
WriteLine(amb.Disambiguate() ? $"{x} * {y} = 8" : "Amb failed");
Read();
}
}
}