stolen from comp.lang.functional from Dean Herington

DeepSeq.lhs -- deep strict evaluation support

The DeepSeq class provides a method deepSeq that is similar to seq except that it forces deep evaluation of its first argument before returning its second argument.

Instances of DeepSeq are provided for Prelude types. Other instances must be supplied by users of this module.

$Id: DeepSeq.lhs,v 1.5 20020401 20:58:24 heringto Exp $