| static private IsCallable ( object obj ) : bool | ||
| obj | object | |
| return | bool | |
/// <summary>
/// Returns the value as a callable (if it is callable, else returns Callable.Nil).
/// </summary>
public Callable ToCallable()
{
if (!Callable.IsCallable(RefVal))
{
return(Callable.Nil);
}
return(new Callable()
{
Val = RefVal
});
}
/// <summary>
/// Attempts to cast to a Table or UserData type,
/// returning <c>null</c> on failure.
/// </summary>
public T As <T>()
where T : class
{
var val = RefVal;
if (val == NumTypeTag ||
val == TrueTag || val == FalseTag ||
val is byte[] ||
Callable.IsCallable(val))
{
return(null);
}
var asWrapper = val as UserDataWrapper;
if (asWrapper != null)
{
val = asWrapper.Value;
}
return(val as T);
}
/// <summary>
/// Gets the value as userdata (if it is userdata, else returns nil).
/// Note that builtin types don't count as userdata.
/// </summary>
public object ToUserData()
{
if (RefVal == null || RefVal == TrueTag ||
RefVal == FalseTag || RefVal == NumTypeTag)
{
return(null);
}
if (RefVal is byte[] || RefVal is Table ||
Callable.IsCallable(RefVal))
{
return(null);
}
var asWrapper = RefVal as UserDataWrapper;
if (asWrapper != null)
{
return(asWrapper.Value);
}
return(RefVal);
}
