using System; using System.Collections.Generic; namespace Chernobyl { /// /// Extensions for and related types. /// public static class StringExtensions { /// /// Concatenates the members of a collection, using the specified separator between each member. /// /// A collection that contains the objects to concatenate. /// The string to use as a separator. Separator is included in the /// returned string only if values has more than one element. /// A string that consists of the members of values delimited by the separator /// string. If values has no members, the method returns . public static string Join(this IEnumerable values, string separator = ", ") { return String.Join(separator, values); } } }