[plt-scheme] Penalties of ->r over -> ?

From: Robby Findler (robby.findler at gmail.com)
Date: Mon Mar 5 08:08:49 EST 2007

It is more expensive. The function wrapper is more complex, mostly
because the range contract can depend on the argument values.


On 3/3/07, Richard Cobbe <cobbe at ccs.neu.edu> wrote:
> If I understand the contract docs correctly, ->r is at least as expressive
> as -> .
> My question: is there any penalty (performance or otherwise) associated
> with using ->r where -> would suffice?
> (Rationale: the additional names are useful for documentation purposes.)
> Richard
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