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pl:prolog:pllib:interface [2019/06/27 15:50] (aktualna) |
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| + | ====== Interface ====== | ||
| + | {{tag>interactive}} | ||
| + | ===== Description ===== | ||
| + | The simplest version of ask prompts the user with the requested attribute and value and seeks confirmation or denial of the proposed information. | ||
| + | |||
| + | **Source**: Building Expert Systems in PROLOG Publisher | ||
| + | ===== Download ===== | ||
| + | Program source code: {{interface.pl}} | ||
| + | ===== Listing ===== | ||
| + | <code prolog> | ||
| + | ask(Attr, Val):- | ||
| + | write(Attr:Val), | ||
| + | write('? '), | ||
| + | read(yes). | ||
| + | |||
| + | eats(X):- ask(eats, X). | ||
| + | |||
| + | feet(X):- ask(feet, X). | ||
| + | |||
| + | wings(X):- ask(wings, X). | ||
| + | |||
| + | neck(X):- ask(neck, X). | ||
| + | |||
| + | color(X):- ask(color, X). | ||
| + | </code> | ||
| + | ===== Comments ===== | ||
