Package jason.functions
Class Length
java.lang.Object
jason.asSemantics.DefaultArithFunction
jason.functions.Length
- All Implemented Interfaces:
ArithFunction
,Serializable
Function: .length(L)
: returns the size of either the list or string L.
Examples:
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.length("aa")
: returns 2. -
.length([a,b,c])
: returns 3.
- See Also:
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionboolean
checkArity
(int a) returns true if a is a good number of arguments for the functiondouble
evaluate
(TransitionSystem ts, Term[] args) evaluates/computes the function based on the argsgetName()
returns the name of the functionMethods inherited from class jason.asSemantics.DefaultArithFunction
allowUngroundTerms, toString
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Constructor Details
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Length
public Length()
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Method Details
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getName
Description copied from interface:ArithFunction
returns the name of the function- Specified by:
getName
in interfaceArithFunction
- Overrides:
getName
in classDefaultArithFunction
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evaluate
Description copied from interface:ArithFunction
evaluates/computes the function based on the args- Specified by:
evaluate
in interfaceArithFunction
- Overrides:
evaluate
in classDefaultArithFunction
- Throws:
JasonException
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checkArity
public boolean checkArity(int a) Description copied from interface:ArithFunction
returns true if a is a good number of arguments for the function- Specified by:
checkArity
in interfaceArithFunction
- Overrides:
checkArity
in classDefaultArithFunction
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