breakOut: Difference between revisions

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{{Command|Comments=
{{Command


| arma1 |Game name=
| arma1


|gr1= Program Flow |GROUP1=
|gr1= Program Flow


|1.00|Game version=
|1.00


| Breaks the code execution out of scope {} named ''name''. [[nil]] is returned. Scope name can be assigned using [[scopeName]] command.
| Breaks the code execution out of scope {} named ''name''. [[nil]] is returned. Scope name can be assigned using [[scopeName]] command.
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{{Informative|An empty [[scopeName]] name will immediately leave the current scope}}
{{Informative|An empty [[scopeName]] name will immediately leave the current scope}}
<br><br>
<br><br>
Since Arma 3 v1.47, [[breakOut]] can be used to return a ''value''. It is the closest SQF comes to having "return"-like operation. |DESCRIPTION=
Since Arma 3 v1.47, [[breakOut]] can be used to return a ''value''. It is the closest SQF comes to having "return"-like operation.


| '''breakOut''' name |SYNTAX=
| '''breakOut''' name


|p1= name: [[String]] - name of the scope (previously set with [[scopeName]]) |PARAMETER1=
|p1= name: [[String]] - name of the scope (previously set with [[scopeName]])


| [[Nothing]] |RETURNVALUE=
| [[Nothing]]


|s2= value '''breakOut''' name {{Since|arma3|1.47|y}} |SYNTAX2=
|s2= value '''breakOut''' name {{Since|arma3|1.47|y}}


|p21= value: [[Anything]] - a value to return |PARAMETER21=
|p21= value: [[Anything]] - a value to return |PARAMETER21=
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|p22= name: [[String]] - name of the scope (previously set with [[scopeName]])  |PARAMETER22=
|p22= name: [[String]] - name of the scope (previously set with [[scopeName]])  |PARAMETER22=


|r2= [[Anything]] |RETURNVALUE2=
|r2= [[Anything]]


|x1= <code>[[scopeName]] "main";
|x1= <code>[[scopeName]] "main";
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[[sleep]] 1;
[[sleep]] 1;
};
};
</code> |EXAMPLE1=
</code>


|x2= <code>[[call]] {
|x2= <code>[[call]] {
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};
};
345
345
}; {{cc|call returns 123}}</code> |EXAMPLE2=
}; {{cc|call returns 123}}</code>


| [[scopeName]], [[breakTo]], [[exitWith]] |SEEALSO=
| [[scopeName]], [[breakTo]], [[exitWith]]
}}
}}



Revision as of 01:02, 18 January 2021

Hover & click on the images for description

Description

Description:
Breaks the code execution out of scope {} named name. nil is returned. Scope name can be assigned using scopeName command.
An unknown scopeName name will cause the script error Generic error in expression
An empty scopeName name will immediately leave the current scope



Since Arma 3 v1.47, breakOut can be used to return a value. It is the closest SQF comes to having "return"-like operation.
Groups:
Program Flow

Syntax

Syntax:
breakOut name
Parameters:
name: String - name of the scope (previously set with scopeName)
Return Value:
Nothing

Alternative Syntax

Syntax:
value breakOut name Template:Since
Parameters:
value: Anything - a value to return
name: String - name of the scope (previously set with scopeName)
Return Value:
Anything

Examples

Example 1:
scopeName "main"; while {true} do { scopeName "loop1"; while {true} do { scopeName "loop2"; if (condition1) then {breakTo "main"}; // Breaks all scopes and return to "main" if (condition2) then {breakOut "loop2"}; // Breaks scope named "loop2" sleep 1; }; sleep 1; };
Example 2:
call { scopeName "main"; call { 123 breakOut "main" }; 345 }; // call returns 123

Additional Information

See also:
scopeNamebreakToexitWith

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

Notes

Bottom Section

Posted on August 27, 2015 - 16:09 (UTC)
Polaris
breakOut can still be used if multiple scopes share identical names. It will simply break out of the nearest scope that matches the name parameter you've used. For example: call { scopeName "Main"; //Parent Main call { scopeName "Main"; //Child Main "String" breakOut "Main"; //Will break out of child main and return "String" to parent main }; }; Therefore you are able to consistently reuse scope names such as "Main", "Child", "Primary", "Secondary", etc throughout functions without worrying about having to ensure you create unique names for each scope.