not

The not function reverses the value of its boolean argument.

Syntax

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not( Expression )

Arguments

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• Expression: A boolean expression to be reversed.

Results

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Returns the reversed logical value of its boolean argument.

If the argument is null, or cannot be converted to bool (using the tobool function), returns null.

Examples

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These examples return false:

print not( true )

print not( "true" )

print not( 1 )

print not( 100 )

These examples return true:

print not( false )

print not( "false" )

print not( 0 )

These examples return null:

print not( "abc" )

print not( null )