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!7
concept TheList {
new L entries;
}
p {
db();
}
synchronized answer {
if "* zur liste hinzufügen" {
theList().entries.add($1);
theList().change();
ret "OK, hat Position " + l(theList().entries);
}
if "* aus der liste nehmen" {
int i = theList().entries.indexOf($1);
if (i < 0) ret "Nicht in Liste";
else {
theList().entries.remove(i);
theList().change();
}
ret "OK, entfernt aus Position " + (i+1);
}
if "länge der liste"
ret lstr(theList().entries);
if "eintrag * der liste" {
S entry = get(theList().entries, parseInt($1)-1);
ret entry == null ? "Nix" : "Eintrag: " + quote(entry);
}
}
static TheList theList() {
ret uniq(TheList);
}