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java.lang.Objectjason.asSemantics.DefaultInternalAction
jason.stdlib.nth
public class nth
Internal action: .nth
.
Description: gets the nth term of a list.
Parameters:
Examples:
.nth(0,[a,b,c],X)
: unifies X
with a
.
.nth(2,[a,b,c],X)
: unifies X
with c
.
.nth(0,[a,b,c],d)
: false.
.nth(0,[a,b,c],a)
: true.
.nth(5,[a,b,c],X)
: error.
concat
,
delete
,
length
,
member
,
sort
,
max
,
min
,
reverse
,
difference
,
intersection
,
union
,
Serialized FormConstructor Summary | |
---|---|
nth()
|
Method Summary | |
---|---|
protected void |
checkArguments(Term[] args)
|
static InternalAction |
create()
|
java.lang.Object |
execute(TransitionSystem ts,
Unifier un,
Term[] args)
Executes the internal action. |
int |
getMaxArgs()
|
int |
getMinArgs()
|
Methods inherited from class jason.asSemantics.DefaultInternalAction |
---|
canBeUsedInContext, prepareArguments, suspendIntention |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
---|
public nth()
Method Detail |
---|
public static InternalAction create()
public int getMinArgs()
getMinArgs
in class DefaultInternalAction
public int getMaxArgs()
getMaxArgs
in class DefaultInternalAction
protected void checkArguments(Term[] args) throws JasonException
checkArguments
in class DefaultInternalAction
JasonException
public java.lang.Object execute(TransitionSystem ts, Unifier un, Term[] args) throws java.lang.Exception
InternalAction
execute
in interface InternalAction
execute
in class DefaultInternalAction
java.lang.Exception
|
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