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  1. :- initialization(main).
  2.  
  3. ab(A,B) :- someFunc(A,B).
  4.  
  5. cd(1,5).
  6. cd('Some shit',4).
  7. cd(_,_) :- throw(bad_mapping). % gprolog-специфично
  8.  
  9. ef(e(X,Y), [X,Y]).
  10.  
  11.  
  12. someFunc(A,B) :- B is A * A.
  13.  
  14. main :-
  15.     ab(5,B)          , show(B)
  16.  
  17.   , cd(C,4)          , show(C)
  18.   , catch(cd(3,_), bad_mapping, show('bad mapping!')) 
  19.  
  20.   , ef(e(4,'two'), F), show(F)
  21.  
  22.   , halt
  23.   .
  24. show(X) :- write(X), nl.
Success #stdin #stdout 0.02s 68352KB
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Standard input is empty
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25
Some shit
bad mapping!
[4,two]
https://ideone.com/eaymhO
language:
Prolog (gprolog 1.4.5)
created:
11 years ago
visibility:
public

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