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## org.apache.xpath.functions
Class FunctionOneArg

    java.lang.Object
      |
      +--org.apache.xpath.Expression
            |
            +--org.apache.xpath.functions.Function
                  |
                  +--org.apache.xpath.functions.FunctionOneArg

Direct Known Subclasses:
  FuncBoolean, FuncCeiling, FuncCount, FuncExtElementAvailable, FuncExtFunctionAvailable, FuncFloor, FuncId, FuncLang, FuncNot, FuncRound, FuncSum, FuncSystemProperty, Function2Args, FunctionDef1Arg, FuncUnparsedEntityURI

public class FunctionOneArg
extends Function

Constructor Summary
`FunctionOneArg()`

Method Summary
`void` | `checkNumberArgs(int argNum)`
`Expression` | `getArg0()`
`void` | `setArg(Expression arg, int argNum)`

Methods inherited from class org.apache.xpath.functions.Function
`execute`

Methods inherited from class org.apache.xpath.Expression
`assert, error, warn`

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### FunctionOneArg

    public FunctionOneArg()

Method Detail

### getArg0

    public Expression getArg0()

### setArg

    public void setArg(Expression arg,
                       int argNum)
                throws WrongNumberArgsException

  Overrides:
    setArg in class Function

### checkNumberArgs

    public void checkNumberArgs(int argNum)
                         throws WrongNumberArgsException

  Overrides:
    checkNumberArgs in class Function

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