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From: jpiitulainen@cc.helsinki.fi
Newsgroups: comp.lang.functional
Subject: Re: Applications for lazy functional languages
Message-ID: <1991Mar24.113412.5685@cc.helsinki.fi>
Date: 24 Mar 91 11:34:12 GMT
References: <ACHA.91Mar21112142@DRAVIDO.CS.CMU.EDU> <4682@osc.COM> <SPOT.91Mar23115151@WOOZLE.GRAPHICS.CS.CMU.EDU>
Distribution: comp
Organization: University of Helsinki
Lines: 9

In article <SPOT.91Mar23115151@WOOZLE.GRAPHICS.CS.CMU.EDU>,
spot@CS.CMU.EDU (Scott Draves) writes: 
> In article <4682@osc.COM> jgk@osc.COM (Joe Keane) writes:
> > In Scheme you can implement `delay' and `force' as lambda
> > expressions.
> Not really.  They have to be special forms.  Or macros.  In either
> case, they are not functions.
> 
This is true for delay.  force is a procedure.