using System.Linq;

namespace Alp
{
  public static class Convert
  {
    /// <summary>
    /// Returns first string not empty.  [ Alp.Convert.Coalesce(string.Empty, null, "test") returns "test" ]
    /// </summary>
    public static string Coalesce(params string[] strings) => strings.FirstOrDefault(s => !string.IsNullOrEmpty(s)) ?? string.Empty;

    /// <summary>
    /// Returns first integer not zero.  [ Alp.Convert.Coalesce(0, 10, 15) returns 10 ]
    /// </summary>
    public static int Coalesce(params int[] integers) => integers.FirstOrDefault(i => i != 0);
  }
}