/// <summary>
/// Converts the subset of procedure descriptions identified by the input procedure names
/// to their string representations. A procedure name is matched if that name contains an
/// input string as a substring.
/// </summary>
/// <param name="proceduresToPrint">Names which identify the subset of procedure
/// descriptions to print; all procedures are printed if this is null.</param>
/// <returns>
/// A <see cref="string" /> that represents this instance.
/// </returns>
public string ToString(IEnumerable <string> proceduresToPrint)
{
IEnumerable <KeyValuePair <string, ProcedureDescription> > procsToPrint;
if (proceduresToPrint != null)
{
procsToPrint = Procs.Where(kv => proceduresToPrint.Any(pn => kv.Key.Contains(pn)));
}
else
{
procsToPrint = Procs;
}
var procStrings = procsToPrint.Select(
kv => $"{kv.Key}\n===============\n{kv.Value.ToString()}");
return(string.Join("\n\n\n", procStrings));
}