[plt-scheme] Contracts on Structures vs Guards

yes.

On Jun 11, 2009, at 11:10 AM, Paulo J. Matos wrote:

> Hi all,
>
> I am wondering if there is any difference performance-wise between
> defining a guard on a structure and defining a contract on the
> structure.
>
> I am I correct to say that the contract on the structure is only
> checked in module boundaries while guards are always checked when the
> structure is built and therefore having contracts would always be at
> least as fast as guards (when assuming that guards are only used to
> check the types of values)?
>
> Contracts are also probably the recommended style, right?
>
> Cheers,
>
> -- 
> Paulo Jorge Matos - pocmatos at gmail.com
> http://www.pmatos.net
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