public static object Substring(object x, object y)
{
if (IsType.String(x) && IsType.AnyInt(y))
{
return(Strings.Substring((string)x, Integers.ToInteger(y)));
}
return(null);
}
public static object Substring(object x, object y, object z)
{
if (!IsType.String(x) || !AreTypes.AnyInt(y, z))
{
return(null);
}
var r = Strings.Substring((string)x, Integers.ToInteger(y), Integers.ToInteger(z));
return(r);
}
public static object AddYears(object x, object y)
{
if (!IsType.AnyInt(y))
{
return(null);
}
if (IsType.DateTime(x))
{
return(((DateTime)x).AddYearsSafe(Integers.ToInteger(y)));
}
return(null);
}