Package jason.stdlib
Class reverse
java.lang.Object
jason.asSemantics.DefaultInternalAction
jason.stdlib.reverse
- All Implemented Interfaces:
InternalAction
,java.io.Serializable
@Manual(literal=".reverse(argument,result)", hint="reverses strings or lists", argsHint={"the string or list to be reversed","the resulting reversed string or list"}, argsType={"string or list","string or list"}, examples={".reverse(\"abc\",X): X unifies with \"cba\"",".reverse(\"[a,b,c]\",X): X unifies with \"[c,b,a]\"",".reverse(\"[a,b,c|T]\",X): X unifies with \"[c,b,a|T]\""}, seeAlso={"jason.stdlib.concat","jason.stdlib.delete","jason.stdlib.length","jason.stdlib.member","jason.stdlib.sort","jason.stdlib.shuffle","jason.stdlib.substring","jason.stdlib.nth","jason.stdlib.max","jason.stdlib.min","jason.stdlib.difference","jason.stdlib.intersection","jason.stdlib.union"}) public class reverse extends DefaultInternalAction
Internal action: .reverse
.
Description: reverses strings or lists.
Parameters:
- + arg[0] (list or string): the string or list to be reversed.
- +/- arg[1]: the result.
Examples:
-
.reverse("abc",X)
:X
unifies with "cba". -
.reverse("[a,b,c]",X)
:X
unifies with "[c,b,a]". -
.reverse("[a,b,c|T]",X)
:X
unifies with "[c,b,a|T]".
- See Also:
concat
,delete
,length
,nth
,max
,member
,min
,sort
,substring
,difference
,intersection
,union
, Serialized Form
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Field Summary
Fields Modifier and Type Field Description private static InternalAction
singleton
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Constructor Summary
Constructors Constructor Description reverse()
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Method Summary
Modifier and Type Method Description 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, checkArguments, destroy, prepareArguments, suspendIntention
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Field Details
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singleton
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Constructor Details
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reverse
public reverse()
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Method Details
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create
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getMinArgs
public int getMinArgs()- Overrides:
getMinArgs
in classDefaultInternalAction
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getMaxArgs
public int getMaxArgs()- Overrides:
getMaxArgs
in classDefaultInternalAction
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execute
public java.lang.Object execute(TransitionSystem ts, Unifier un, Term[] args) throws java.lang.ExceptionDescription copied from interface:InternalAction
Executes the internal action. It should return a Boolean or an Iterator. A true boolean return means that the IA was successfully executed. An Iterator result means that there is more than one answer for this IA (e.g. see member internal action). - Specified by:
execute
in interfaceInternalAction
- Overrides:
execute
in classDefaultInternalAction
- Throws:
java.lang.Exception
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