[racket] call-with-composable-continuation and DrRacket

On Aug 30, 2012, at 2:48 PM, Harry Spier wrote:

> When I run this in the definitions window of DrRacket
> #lang racket
> (+ 100
>   (call-with-composable-continuation
>    (λ (k) (+ 1000 (k 1)))))
> 
> it prints
> 101
> 1201
> in the interactions window.
> Why doesn't it just print 1201 ?
> 
> Executing it in the interactions window gives the expected result of 1201.

Presumably, the continuation captured in the definitions window goes out to the module's top level, which includes the macro-inserted "print out the answer" code.

John

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