Dear Roger,
The error variable MaxOfThree not introduced simply means you need to
declare the variable first. For a global variable in the OPI you need
a preceeding 'declare' as in the following
declare
fun {Max X Y}
if X>Y then X
else Y
end
end
fun {MaxOfThree X Y Z}
{Max X {Max Y Z}}
end
Best
Torsten
On 14 Apr 2009, at 15:08, Roger Mason wrote:
Hello,
I'm trying mozart for the first time. When I send the following to
the
compiler, some work, some don't:
{Browse 'Hello World!'}
works.
fun {Max X Y}
if X>Y then X
else Y
end
end
{Browse {Max 3 5}}
works.
fun {MaxOfThree X Y Z}
{Max X {Max Y Z}}
end
Fails:
%********************* binding analysis error *******************
%**
%** variable MaxOfThree not introduced
%**
%** in file "Oz", line 11, column 5
%** ------------------ rejected (1 error)
I got the two functions from
http://www.ling.gu.se/~lager/kurser/ExploringOz/Exercises/Solutions/
maxOfThree.htm.
I have no clue what I'm doing wrong.
Thanks for any help,
Roger Mason
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--
Torsten Anders
Interdisciplinary Centre for Computer Music Research
University of Plymouth
Office: +44-1752-586219
Private: +44-1752-558917
http://strasheela.sourceforge.net
http://www.torsten-anders.de
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