--- pl:prolog:pllib:list_prefix_suffix [2019/06/27 15:50]
+++ pl:prolog:pllib:list_prefix_suffix [2019/06/27 15:50] (aktualna)
@@ Linia 1: / Linia 1: @@
+====== List prefix suffix ======
+{{tag>lists recursion}}
+===== Description =====
+Prefixes and suffixes of a list
+**Source**:  The Art of Prolog
+===== Download =====
+Program source code: {{list_prefix_suffix.pl}}
+===== Listing =====
+<code prolog>
+/*
+	prefix(Prefix,List) :- Prefix is a prefix of List.
+*/
+	prefix([],Ys).
+	prefix([X|Xs],[X|Ys]) :- prefix(Xs,Ys).
+/*
+	suffix(Suffix,List) :- Suffix is a suffix of List.
+*/
+	suffix(Xs,Xs).
+	suffix(Xs,[Y|Ys]) :- suffix(Xs,Ys).
+%	Program 3.13: Prefixes and suffixes of a list
+</code>
+===== Comments =====

pl/prolog/pllib/list_prefix_suffix.txt · ostatnio zmienione: 2019/06/27 15:50 (edycja zewnętrzna)

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