private

1.00

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Description

Description:

Sets a variable to the innermost scope as demonstrated in Example 3. See also param and params.

ⓘ

private variables must start with an underscore: private _myVar1 = "myVar";

⚠

Always make your local variables private (through private or params) in order to avoid overwriting a local variable of the same name.

Groups:

Uncategorised

Syntax 1

Syntax:

private variableName

Parameters:

variableName: String

Return Value:

Nothing

Syntax 2

Syntax:

private variableNameList

Parameters:

variableNameList: Array of Strings

variable: underscored variable, for example _myvar

value: Anything: value to assign to the variable

Return Value:

Nothing

Syntax 3

Syntax:

private variable = value         (Since Arma 3 v1.53.132932)

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:

paramparamsScope

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

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 has the same functionality as javascript's let keyword.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/let