private: Difference between revisions

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|x1= <code>[[private]] _varname = "this is my new variable"; {{cc|since {{arma3}} v1.53 only}}
|x1= <code>[[private]] _varname = "this is my new variable"; {{cc|since {{arma3}} v1.53 only}}



Revision as of 20:14, 10 June 2021

Hover & click on the images for description

Description

Description:
Description needed
Groups:
Variables

Syntax 1

Syntax:
Syntax needed
Parameters:
variableName: String - e.g "_myVar"
Return Value:
Nothing

Syntax 2

Syntax:
private variableNameList
Parameters:
variableNameList: Array of Strings, e.g ["_target", "_damage"]
Return Value:
Nothing

Syntax 3

Syntax:
private _identifier = value Template:Since
Parameters:
_identifier: underscored variable name, for example _myVar
value: Anything: value to assign to the variable
Return Value:
Nothing

Examples

Example 1:
private _varname = "this is my new variable"; // since Arma 3 v1.53 only // identical, but less performant private "_varname"; _varname = "this is my new variable";
Example 2:
private ["_varname1", "_varname2"]; _varname1 = "variable 1"; _varname2 = "variable 2";
Example 3:
_lol = 123; call { hint str [_lol] }; // [123] _lol = 123; call { private "_lol"; hint str [_lol] }; // [any]
Example 4:
_myvar = 123; systemChat str [_myvar]; // [123] call { systemChat str [_myvar]; // [123] private "_myvar"; systemChat str [_myvar]; // [any] _myvar = 345; systemChat str [_myvar]; // [345] }; systemChat str [_myvar]; // [123]

Additional Information

See also:
See also needed

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
Posted on August 4, 2010
Faguss
The higher scope is also the script from which the function has been called.
in script2.sqf: _a = 2; in script1.sqf: _a = 1; call compile preprocessFileLineNumbers "script2.sqf"; hint format ["%1", _a];
Game will display 2.
Inserting private "_a" in the function prevents the change and so number 1 will be displayed on the screen.
Posted on February 25, 2015 - 17:06 (UTC)
DreadedEntity
Recursive loops require the use of private. Without it, your variables will be overwritten.
Posted on January 31, 2018 - 10:37 (UTC)
654wak654
This command is similar to javascript's let keyword.
EDIT: in the way that it scopes the variable to the innermost scope. Otherwise, let and private can behave differently - Lou Montana (talk)