Explanation of macros; Haskell macros

[Alain Picard]

"Robert Klemme" <bob.news at gmx.net> writes:

> Just for the sake of my understanding: could one summarize this as "macros
> make control of *when* something is evaluated easier"?  

More precisely: "macros make control of when, if, and how often,
                 something is evaluated _possible_."  

Functions (your only other option) give you no choice.

But, yeah, you've got it.

-- 
It would be difficult to construe        Larry Wall, in  article
this as a feature.			 <1995May29.062427.3640 at netlabs.com>