On Mon, Feb 14, 2005 at 08:16:51PM -0500, Aaron Bohannon wrote:
> Instead of adding one of these functions, I would much rather see a 
> "fold" function on strings in the String module.  The Array module has 
> both "iter" and "fold" functions.  Why, then, would the String module 
> provide an "iter" but no "fold"--in a functional language??  The 
> addition of a fold function would very often eliminate the need to 
> convert a string to a char list or to introduce imperative-style 
> programming into an otherwise purely functional section of code (not to 
> mention that writing "char_list_of_string" would become trivial if it 
> ever were necessary to do so).
> 
> I acknowledge the fact that I can write my own fold function, but I just 
> wanted to point out that this seems to be the most logical addition to 
> the String module.

If you can suggest suitable fold_left and fold_right functions, then
they can be added to ExtLib.

Rich.

-- 
Richard Jones, CTO Merjis Ltd.
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