/// <summary>
/// Determines whether the parameter being validated is of a specified type.
/// </summary>
/// <param name="type">The type to compare against.</param>
/// <returns>A new <see cref="ValidatorLinkage{ClassValidator}" /> instance of type T.</returns>
/// <exception cref="ArgumentTypeException">Must be of type <paramref name="type"/>.</exception>
/// <exception cref="ArgumentNullException">Thrown when the arguments are <see langword="null"/></exception>
public ValidatorLinkage <ClassValidator <T> > IsOfType(Type type)
{
if (ShouldReturnAfterEvaluation(PerformIsOfTypeOperation(ParameterValue, type)))
{
return(new ValidatorLinkage <ClassValidator <T> >(this));
}
if (CurrentException == null)
{
CurrentException = new ArgumentTypeException(string.Format(Resources.MustBeOfType, type.Name), ParameterName);
}
return(new ValidatorLinkage <ClassValidator <T> >(this));
}
/// <summary>
/// Find all tasks that contain the specified string in their name, arglists, or documentation, and print their documentation.
/// </summary>
private static bool Apropos(object[] args, TextBuffer o, BindingEnvironment e,
MethodCallFrame predecessor, Interpreter.Step.Continuation k)
{
ArgumentCountException.Check(nameof(Apropos), 1, args);
var topic = ArgumentTypeException.Cast <string>(nameof(Apropos), args[0], args);
var output = new StringBuilder();
bool Relevant(string x) => x != null && x.IndexOf(topic, StringComparison.InvariantCultureIgnoreCase) >= 0;
var module = e.Module;
foreach (var binding in module.AllBindings)
{
if (binding.Value is Task t && (Relevant(binding.Key.Name) || Relevant(t.Description)))
{
output.Append(ManualEntryMaybeRichText(t));
output.Append("\n\n");
}
}
return(k(o.Append(output.ToString()), e.Unifications, e.State, predecessor));
}
