[mercury-users] Arguments to program

[Dieter Büttner]

Hello,

though quite experienced in prolog , i  am a beginner in mercury.
Although I was searching hard (reference manual, tutorial, mail-archives), I 
was not able to find the answer of the following (presumable very easy) 
question.

How do I pass arguments to a mercury program? I assumed it would be by the 
shell command ./factorial 11 (for example). In the module factorial the main 
declaration was 

:- pred main(int,  io__state, io__state)
:- mode main(in, di, uo) is det.

main(X) -->
	{fac(X, Y)},
	...
	...

Looked reasonable for me, but no! This does not work.
Please, can someone help??

(you see, it is nessessary to continue the turorial work).

cu
Dieter

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