[plt-scheme] datatype detection?

Thanks for that, will be very helpful for debugging.:)

rohan

Matthew Flatt wrote:
> At Tue, 29 Oct 2002 15:45:11 +0100, Rohan Nicholls wrote:
> 
>>Since every struct produces a test for itself, ie from htdp
>>
>>(define-struct plane (...))
>>
>>(define jet (make-plane ...))
>>
>>(plane? jet) -> #t
>>
>>so the structure carries around with it what datatype it is, so is there 
>>a function that can look at this information and return it?
> 
> 
> `struct-info', if you have a sufficiently senior inspector.
> 
> See section 4.6 in the MzScheme manual for details.
> 
> Matthew
>