Hello,
here is a little puzzle concerning the semantics given to local variables in the latest Curry report.
Consider the following definitions:
incr x = x + 1
decr x = x - 1
f1 x = g (g x)
where g = incr
g = decr
f2 h1 h2 x = g (g x)
where g = h1
g = h2
f3 h1 h2 h3 x = h3 g g x
where g = h1
g = h2
The question is, what are the results of
1) f1 3
2) f2 incr decr 3
3) f3 incr decr (.) 3
Regards
Wolfgang
Received on Di Dez 01 1998 - 14:52:00 CET
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