EMPTY()
Checks if the passed argument is empty.
- 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
- See Also