[plt-scheme] puzzled by 'new' failure

What language level are you using? You should use Module.

Here's a discussion of #lang

http://docs.plt-scheme.org/guide/Module_Syntax.html#(part._hash-lang)

Jay

On Wed, Aug 26, 2009 at 9:02 AM, David Richards<leximatica at mac.com> wrote:
>
> On Aug 26, 2009, at 12:27 AM, Jay McCarthy wrote:
>
>> What language are you writing it in? scheme/gui?
>>
>> #lang scheme/gui
>
> I admit I haven't used PLT Scheme in a while, but what is this "#lang
> scheme/gui" line about? Is it some sort of 'pragma'? Do we have pragma now?
> This is new and exciting.
>
> Whatever the case, it might compress progress, because it causes a new
> error:
>
> read: #lang expressions not currently enabled
>
> - d
>
>>
>> (define frame (new frame% (label "test")))
>>
>> On Tue, Aug 25, 2009 at 10:05 PM, David Richards<leximatica at mac.com>
>> wrote:
>>>
>>> On Aug 25, 2009, at 9:33 PM, Jon Rafkind wrote:
>>>
>>>> David Richards wrote:
>>>>>
>>>>> This one line program fails:
>>>>>
>>>>> (define frame (new frame% (label "test")))
>>>>>
>>>>> Any advice, please?
>>>>> ___________________________________________
>>>>
>>>> Whats the error?
>>>
>>> reference to undefined identified: new
>>>
>>>>> ______
>>>>> For list-related administrative tasks:
>>>>> http://list.cs.brown.edu/mailman/listinfo/plt-scheme
>>>>
>>>
>>> _________________________________________________
>>>  For list-related administrative tasks:
>>>  http://list.cs.brown.edu/mailman/listinfo/plt-scheme
>>>
>>
>>
>>
>> --
>> Jay McCarthy <jay at cs.byu.edu>
>> Assistant Professor / Brigham Young University
>> http://teammccarthy.org/jay
>>
>> "The glory of God is Intelligence" - D&C 93
>
> _________________________________________________
>  For list-related administrative tasks:
>  http://list.cs.brown.edu/mailman/listinfo/plt-scheme
>



-- 
Jay McCarthy <jay at cs.byu.edu>
Assistant Professor / Brigham Young University
http://teammccarthy.org/jay

"The glory of God is Intelligence" - D&C 93