[plt-scheme] Very basic macro question

May be johny  seventy ran example four in the interactions window, there it 
works. In the definitions window it does not.
Jos

----- Original Message ----- 
From: "Noel Welsh" <noelwelsh at gmail.com>
To: "johny seventy" <johnyseventy at hotmail.com>
Cc: <plt-scheme at list.cs.brown.edu>
Sent: Sunday, January 17, 2010 7:42 PM
Subject: Re: [plt-scheme] Very basic macro question


> On Sun, Jan 17, 2010 at 2:22 PM, johny seventy <johnyseventy at hotmail.com> 
> wrote:
>> I understand why example
>> four works but is there anyway I can do this without eval?
>
> A transformer binding and syntax-local-value.
>
> It doesn't make sense to parameterise a macro by a run-time value --
> macros are expanded before run-time so they cannot depend on run-time
> values.
>
> N.
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