public class number extends DefaultInternalAction
Internal action: .number
.
Description: checks whether the argument is a number.
Parameter:
Examples:
.number(10)
: true.
.number(10.34)
: true.
.number(b(10))
: false.
.number("home page")
: false.
.number(X)
: false if X is free, true if X is bound to a number.
Constructor and Description |
---|
number() |
Modifier and Type | Method and Description |
---|---|
static InternalAction |
create() |
java.lang.Object |
execute(TransitionSystem ts,
Unifier un,
Term[] args)
Executes the internal action.
|
int |
getMaxArgs() |
int |
getMinArgs() |
canBeUsedInContext, checkArguments, destroy, prepareArguments, suspendIntention
public static InternalAction create()
public int getMinArgs()
getMinArgs
in class DefaultInternalAction
public int getMaxArgs()
getMaxArgs
in class DefaultInternalAction
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