public static IEnumerable <T> Peek <T>(this IEnumerable <T> items, BiAction <T, int> action)
{
var enumerable = items.ToList();
for (var index = 0; index < enumerable.Count; index++)
{
var item = enumerable[index];
action.Invoke(item, index);
}
return(enumerable);
}
public static List <List <double> > processingFilesInDirectory(String dirName, BiAction action, Color baseColor)
{
List <List <double> > res = new List <List <double> >();
String[] fileNames = Directory.GetFiles(dirName);
foreach (String fnm in fileNames)
{
res.Add(action(fnm, baseColor));
}
return(res);
}