ConcatTo
Adds a single element at the beginning of an enumerator
Source
static IEnumerable<T> ConcatTo<T>(IEnumerable<T> target, T element)
{
return System.Linq.Concat(new[]{ element }, target);
}
or
static IEnumerable<T> ConcatTo<T>(IEnumerable<T> target, T element)
{
yield return element;
foreach(T e in target) yield return e;
}
Example
IEnumerable<String> x = new[]{"foo", "bar"};
x = x.ConcatTo("bla");
Console.WriteLine(string.Join('--',x));
// returns bla--foo--bar
Author: B.W. Kemps
Submitted on: 22 aug. 2011
Language: C#
Type: System.Collections.IEnumerable<T>
Views: 4955