The default unit. This unit is automatically included in a script.
Methods from this script can be called directly and do not require a uses statement.
Methods |
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function isNull(value: any_type): boolean Returns |
function isTrueOrNull(value: boolean): boolean Returns |
function isFalseOrNull(value: boolean): boolean Returns |
Returns true
if value is null.
Parameters :
value a value of any type.
Return :
true
if value
is null or else false
. Never returns null.
Returns true
if value is true or null.
Parameters :
value: a boolean value.
Return :
true
if value
is null or true
, or else false
. Never returns null.
Returns true
if value is false of null.
Parameters :
value: a boolean value.
Return :
true
if value
is null or false
, or else false
. Never returns null.