public Result Expect(out string val, string name)
{
if (Result.Good != Has(out val) || String.IsNullOrWhiteSpace(val))
{
Tell.MustProvideInput(name);
return(Result.Invalid);
}
return(Result.Good);
}
public Result Expect <T>(string @switch, out T val) where T : IConvertible
{
var has = Default(@switch, out val);
if (Result.Good != has)
{
if (has == Result.Missing)
{
Tell.MustProvideInput(@switch);
}
return(Result.Invalid);
}
return(Result.Good);
}
public Result Expect(string @switch)
{
var has = Has(@switch);
if (Result.Good != has)
{
if (has == Result.Missing)
{
Tell.MustProvideInput(@switch);
}
return(Result.Invalid);
}
return(Result.Good);
}
