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From: dewar@gnat.com (Robert Dewar)
Newsgroups: comp.lang.ada
Subject: Re: Lazy Evaluation [Side-Effects in Functions]
Date: 6 Nov 2001 19:42:09 -0800
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Date: 2001-11-07T03:42:09+00:00
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"Nick Roberts" <nickroberts@adaos.worldonline.co.uk> wrote 

> Briefly, the combination of lazy evaluation 
> and side-effects, as such, would
> be rather like the combination of a keg of TNT and a 
> blowtorch.

Well yes, of course this is a text book answer, but in
fact we are not talking about lazy evaluation here, but
rather call by name (referring to call by name as lazy
evaluation is a recipe for confusion).

Of course there is no particular conflict between side
effects and call by name, as anyone who has programmed
in Algol-60 extensively is perfectly aware.