[Haskell-cafe] some ideas for Haskell', from Python

Alex Queiroz asandroq at gmail.com
Wed Jan 14 14:11:57 EST 2009


Hallo,

On Wed, Jan 14, 2009 at 5:06 PM, Max Rabkin <max.rabkin at gmail.com> wrote:
> On Wed, Jan 14, 2009 at 10:48 AM, Jonathan Cast
> <jonathanccast at fastmail.fm> wrote:
>> Do you have an example of
>> a macro that can't be replaced by higher-order functions and laziness?
>
> I believe I do: one macro I found useful when writing a web app in
> Lisp was something I called hash-bind, which binds variables to the
> values in a hashtable, with the variable names as keys. For example:
>

     I have one for binding GET/POST variables to regular variables
transparently and with error checking, just inside the body of the
macro.

-- 
-alex
http://www.ventonegro.org/


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