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