a != b: Difference between revisions

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|gr2= Math
|gr2= Math


|descr= Returns whether one value is '''not''' equal to another. String comparison is case-'''in'''sensitive (e.g {{ic|"STRINGtext" [[a != b|!=]] "stringTEXT" {{cc|returns [[false]]}}}}).
|descr= Returns whether one value is '''not''' equal to another. String comparison is case-'''in'''sensitive (e.g <sqf inline>"STRINGtext" != "stringTEXT" // returns false - strings are equivalent</sqf>).
{{Feature|important|''a'' and ''b'' types '''must''' match: comparing e.g [[String]] with [[Number]] is invalid.}}
{{Feature|important|''a'' and ''b'' types '''must''' match: comparing e.g [[String]] with [[Number]] is invalid.}}


Line 60: Line 60:
|r1= [[Boolean]] - [[true]] if ''a'' is different from ''b'', [[false]] otherwise
|r1= [[Boolean]] - [[true]] if ''a'' is different from ''b'', [[false]] otherwise


|x1= <code>[[if]] (_counter [[a != b|!=]] 4) [[then]]
|x1= <sqf>
if (_counter != 4) then
{
{
[[hint]] "The counter is not equal to the number 4";
hint "The counter is not equal to the number 4";
}</code>
};
</sqf>


|x2= <code>[[if]] ([[vehicle]] [[player]] [[a != b|!=]] [[player]]) [[then]]
|x2= <sqf>
if (vehicle player != player) then
{
{
[[hint]] "you are in a vehicle";
hint "you are in a vehicle";
}
}
[[else]]
else
{
{
[[hint]] "you are on foot";
hint "you are on foot";
}</code>
};
</sqf>


|x3= <code>[[if]] ([[fuel]] truck1 [[a != b|!=]] 1) [[then]]
|x3= <sqf>
if (fuel truck1 != 1) then
{
{
[[hint]] "Truck1 has less than a full tank of fuel.";
hint "Truck1 has less than a full tank of fuel.";
}</code>
};
</sqf>


|x4= <code>if (alive _unit1 [[!=]] [[alive]] _unit2) [[then]] { [[hint]] "One of the units is dead while another is alive" };</code>
|x4= <sqf>if (alive _unit1 != alive _unit2) then { hint "One of the units is dead while another is alive" };</sqf>


|seealso= [[==]] [[Operators]]
|seealso= [[==]] [[Operators]]
}}
}}

Latest revision as of 15:15, 1 July 2022

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Hover & click on the images for description

Description

Description:
Returns whether one value is not equal to another. String comparison is case-insensitive (e.g "STRINGtext" != "stringTEXT" // returns false - strings are equivalent).
⚠
a and b types must match: comparing e.g String with Number is invalid.
Groups:
VariablesMath

Syntax

Syntax:
a != b
Parameters:
a:
Introduced in Logo A0.png1.00 Logo A1 black.png1.00 Logo A1 black.png1.08 Arma 3 logo black.png2.00
Possible Type Number Side String Object Group Structured Text Config Display Control Location Diary Record Namespace Boolean
b: identical to a's type
Return Value:
Boolean - true if a is different from b, false otherwise

Examples

Example 1:
if (_counter != 4) then { hint "The counter is not equal to the number 4"; };
Example 2:
if (vehicle player != player) then { hint "you are in a vehicle"; } else { hint "you are on foot"; };
Example 3:
if (fuel truck1 != 1) then { hint "Truck1 has less than a full tank of fuel."; };
Example 4:
if (alive _unit1 != alive _unit2) then { hint "One of the units is dead while another is alive" };

Additional Information

See also:
== 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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