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Results tagged with beginner
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user 27679
Add this tag to your question to indicate that you are new to the language of your code. This will often be taken into consideration by reviewers when assessing your code.
6
votes
"Hello world!" in Prolog
Why fail at all? Isn't success better than failure? A shorter version is thus:
main :- writeln('Hello world!').
Also, why even have side effects? Isn't a declarative solution much better:
message( …
- 706
3
votes
Accepted
Iterating towards a goal
Executive summary:
please_use_very_readable_names insteadOfUnreadableOneslikeInJava.
Use higher-order predicates.
Always consider using DCGs when describing lists. pass1 and pass2 can be simplified …
- 706
2
votes
Accepted
Implementing an open/close function in Prolog
Always try hard to avoid assert/1 and retract/1: Using these predicates makes it impossible to reason about your other predicates in isolation, and therefore make debugging and extending your code muc …
- 706
2
votes
Accepted
Binary Digits to ASCII Characters
Your concerns about style and format are warranted, +1 for striving to make the code more elegant and declarative!
First of all, whatDoYouFindEasierToRead: mixed_caps_or_underscores?
For that reason …
- 706
1
vote
Aggregate cost for a directed graph in Prolog
Using global variables is a sure sign that you are not working within the declarative paradigm. A declarative way to solve this is to keep track of the already visited variables via an argument of you …
- 706
1
vote
Adding elements in two lists as numbers
When describing lists, always consider using DCGs. In this case, try for example:
sum(Xs0, Ys0, Ls) :-
reverse(Xs0, Xs),
reverse(Ys0, Ys),
phrase(sum(Xs, Ys, 0), Ls0),
reverse(Ls0, Ls …
- 706