private: Difference between revisions
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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.<br> | 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.<br> | ||
<dd class="notedate">Posted on August 4, 2010 | |||
<dd class="notedate">Posted on August 4, 2010 | |||
<dt class="note">'''[[User:Faguss|Faguss]]''' | <dt class="note">'''[[User:Faguss|Faguss]]''' | ||
<dd class="note">The higher scope is also the script from which the function has been called.<br> | <dd class="note">The higher scope is also the script from which the function has been called.<br> | ||
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_a = 2; | _a = 2; | ||
Game will display 2.<br><br> | Game will display 2.<br><br> | ||
Inserting <i>private "_a"</i> in the function prevents the change and so number 1 will be displayed on the screen. | Inserting <i>private "_a"</i> in the function prevents the change and so number 1 will be displayed on the screen. | ||
Revision as of 13:37, 21 October 2011
Description
- Description:
- Sets a variable to the innermost scope. The variable has to be local.
- Groups:
- Uncategorised
Syntax
Alternative Syntax
Examples
- Example 1:
private "_varname";
- Example 2:
private ["_varname1", "_varname2"];
Additional Information
- See also:
- Scope
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
- 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 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.