wikipedia is your friend... http://en.wikipedia.org/wiki/Fold_(higher-order_function)
Tammo 2009/3/25 Mark Spezzano <mark.spezz...@chariot.net.au>: > Hi, > > > > Just looking at the definitions for foldr and foldl I see that foldl is > (apparently) tail recursive while foldr is not. > > > > Why? > > > > Is it because foldl defers calling itself until last whereas foldr evaluates > itself as it runs? > > > > What, strictly speaking, is the definition of ”tail recursive” as opposed to > just “recursive”? > > > > Cheers, > > > > Mark Spezzano > > > > No virus found in this outgoing message. > Checked by AVG. > Version: 7.5.557 / Virus Database: 270.11.27/2021 - Release Date: 24/03/2009 > 4:00 PM > > _______________________________________________ > Haskell-Cafe mailing list > Haskell-Cafe@haskell.org > http://www.haskell.org/mailman/listinfo/haskell-cafe > > _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
