private

1.00

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Description

Description:

Sets a variable to the innermost scope as demonstrated in Example 3.
Since Arma 3 v1.53.132932 private can be used as keyword as shown in Example 4.

Groups:

Uncategorised

Syntax 1

Syntax:

private variableName

Parameters:

variableName: String

Return Value:

Nothing

Syntax 2

Syntax:

private variableNameList

Parameters:

variableNameList: Array of Strings

Return Value:

Nothing

Syntax 3

Syntax:

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

Parameters:

variable: underscored variable, for example _myvar

value: Anything: value to assign to the variable

Return Value:

Nothing

Examples

Example 1:

private "_varname";

Example 2:

private ["_varname1", "_varname2"];

Example 3:

_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]

Example 4:

Usage of private as keyword: private _myvar = 123; //is the same as private "_myvar"; _myvar = 123;

Example 5:

_lol = 123; call {hint str [_lol]}; // [123] _lol = 123; call {private "_lol"; hint str [_lol]}; // [any]

Additional Information

See also:

Scope

Notes

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Notes

Posted on Sep 24, 2009 15:04

ColonelSandersLite

The example provided is fairly worthless without a context.
Using the private command allows you to declare a variable in the current scope, without regards to variables in a higher scope with the same name. Note that if you try to declare a variable without an underscore (meaning it's global) with the private command, it will cause an error. Specifically: "Error Local variable in global space".
Here's a code example with output for your benefit.
_foo = 10; if (true) then { private ["_foo"]; _foo = 5; player sideChat format ["%1", _foo]; }; player sideChat format ["%1", _foo]; In this example, the first sidechat (innermost) returns 5 while the second sidechat (outermost) returns 10.
if (true) then { private ["_bar"]; _bar = 5; player sideChat format ["%1", _bar]; }; In this example, the private command does nothing and is simply a waste of code, assuming there is no higher level code to interfere with the if statement.

Posted on August 4, 2010

Faguss

The higher scope is also the script from which the function has been called.
If you've got in the script: _a = 1; call compile loadFile "function.sqf"; hint format ["%1", _a]; And in the function.sqf: _a = 2; Game will display 2.

Inserting private "_a" in the function prevents the change and so number 1 will be displayed on the screen.

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Posted on February 25, 2015 - 17:06 (UTC)

DreadedEntity

Recursive loops require the use of private. Without it, your variables will be overwritten.