I am totally new to Haskell, so maybe this is a stupid question. Various languages have pointers (or references), for good reason. Haskell can at least partly do without them (they are only existing internally somehow). My question is: Does Haskell principally not need pointers (i.e. in case of 2 data structures needing to reference an other very large data structure) or is this a design flaw or have a overlooked something? -------------------------------------------------- HAYES TECHNOLOGIES Software Speed Optimization Bryan Hayes Managing Director Mannheimer Str. 8 D-67098 Bad Dürkheim Deutschland / Germany Tel. +49 / (0)6322 / 94 950 - 68 Fax +49 / (0)6322 / 94 950 - 69 Mobile Tel. +49 / (0)163 / 6111867 E-Mail: mailto:bryan.hayes@hayestechnologies.com Web-Site: http://www.hayestechnologies.com