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pl:prolog:pllib:list_linking_4 [2019/06/27 15:50] (aktualna) |
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| + | ====== List linking 4 ====== | ||
| + | {{tag>lists}} | ||
| + | ===== Description ===== | ||
| + | Concatenating difference_lists | ||
| + | |||
| + | **Source**: The Art of Prolog | ||
| + | ===== Download ===== | ||
| + | Program source code: {{list_linking_4.pl}} | ||
| + | ===== Listing ===== | ||
| + | <code prolog> | ||
| + | /* | ||
| + | append_dl(As,Bs,Cs) :- | ||
| + | The difference-list Cs is the result of appending Bs to As, | ||
| + | where As and Bs are compatible difference-lists. | ||
| + | */ | ||
| + | :- op(40,xfx,\). | ||
| + | |||
| + | append_dl(Xs\Ys,Ys\Zs,Xs\Zs). | ||
| + | |||
| + | % Program 15.1: Concatenating difference_lists | ||
| + | </code> | ||
| + | ===== Comments ===== | ||
