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pl:prolog:pllib:term2list [2019/06/27 15:50] (aktualna) |
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| + | ====== Term2list ====== | ||
| + | {{tag>lists}} | ||
| + | ===== Description ===== | ||
| + | Constructing a list corresponding to a term. | ||
| + | |||
| + | **Source**: The Art of Prolog | ||
| + | ===== Download ===== | ||
| + | Program source code: {{term2list.pl}} | ||
| + | ===== Listing ===== | ||
| + | <code prolog> | ||
| + | /* | ||
| + | univ(Term, List) :- List is a list containing the functor of Term followed | ||
| + | by the arguments of Term. | ||
| + | */ | ||
| + | univ(Term, [F|Args]) :- | ||
| + | functor(Term,F,N), args(0,N,Term,Args). | ||
| + | |||
| + | args(I,N,Term,Arg,Args) :- | ||
| + | I < N, I1 is I+1, arg(I1,Term,Arg), args(I1,N,Term,Args). | ||
| + | args(N,N,Term,[]). | ||
| + | |||
| + | % Program 9.5a Constructing a list corresponding to a term | ||
| + | </code> | ||
| + | ===== Comments ===== | ||
