Fri, 02 Nov 2001 10:21:37 +0000
> At 2001-11-01 22:10, raul sierra alcocer wrote:
> >What mechanism of transmiting parameters does Haskell implement?
> By value.
Yes, though one might equally say that they are passed by
reference, since in
g =3D let f x =3D x+x
z =3D factorial 1000
in f z * z
the 'first' instance of x forces z to be evaluated and
updated, the second instance of x uses this updated value,
and so does the final occurrence of z.
J=F3n Fairbairn Jon.Fairbairn@cl.cam.ac.u=
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