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EMPTY()

Checks if the passed argument is empty.
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 Syntax

        EMPTY( <xExp> ) --> <lIsEmpty>  

 Arguments

        <xExp>   is any valid expression.    

 Returns

       A  logical value. It is true (.T.) if the passed argument is empty 
                  otherwise it is false (.F.).

 Description

      This function checks if an expression has empty value and returns a
      logical indicating whether it the expression is empty or not.

 Examples

      ? Empty( "I'm not empty" )
  

 Tests

      function Test()
         ? Empty( 1 )       --> .f.
         ? Empty( Date() )  --> .f.
         ? Empty( .f. )     --> .t.
      return nil
  

Status

      Ready

 Compliance

      EMPTY() is fully CA-Clipper compliant.

 Files

      Library is rtl