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