! a: Difference between revisions

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m (Text replacement - "\|seealso= ?\[\[([^ ]+)\]\], \[\[([^ ]+)\]\]" to "|seealso= $1 $2")
m (Text replacement - "<sqf>([^↵][^\/]*↵[^\/]*)<\/sqf>" to "<sqf> $1 </sqf>")
 
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|gr2= Math
|gr2= Math


|descr= Returns the negation of a Boolean expression. That means {{hl|[[true]]}} becomes {{hl|[[false]]}} and vice versa.
|descr= Returns the negation of a Boolean expression. This means {{hl|[[true]]}} becomes {{hl|[[false]]}} and vice versa.


|alias= [[not]]
|alias= [[not]]
Line 38: Line 38:


|x1= The code
|x1= The code
<code>[[private]] _isAlive = [[alive]] [[player]];
<sqf>
[[if]] ([[! a|!]]_isAlive) [[then]]
private _isAlive = alive player;
if (!_isAlive) then
{
{
[[hint]] "The player is dead!";
hint "The player is dead!";
}</code>
};
</sqf>
is the same as
is the same as
<code>[[private]] _isAlive = [[alive]] [[player]];
<sqf>
[[if]] ([[not]] _isAlive) [[then]]
private _isAlive = alive player;
if (not _isAlive) then
{
{
[[hint]] "The player is dead!";
hint "The player is dead!";
}</code>  
};
</sqf>


|seealso= [[not]] [[Operators]]  
|seealso= [[not]] [[Operators]]
}}
}}

Latest revision as of 21:37, 2 September 2024

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Description

Description:
Returns the negation of a Boolean expression. This means true becomes false and vice versa.
Alias:
not
Groups:
VariablesMath

Syntax

Syntax:
! a
Parameters:
a: Boolean
Return Value:
Boolean

Examples

Example 1:
The code
private _isAlive = alive player; if (!_isAlive) then { hint "The player is dead!"; };
is the same as
private _isAlive = alive player; if (not _isAlive) then { hint "The player is dead!"; };

Additional Information

See also:
not Operators

Notes

Report bugs on the Feedback Tracker and/or discuss them on the Arma Discord or on the Forums.
Only post proven facts here! Add Note
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