append: Difference between revisions
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{{Command|Comments= | {{Command|Comments= | ||
| arma3 |Game name= | | arma3 |Game name= | ||
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|gr1= Arrays |GROUP1= | |gr1= Arrays |GROUP1= | ||
| Appends array2 to the back of array1 modifying array1. <br> | | Appends array2 to the back of array1 modifying array1. <br> | ||
{{Informative | '''append''' does not return array, it modifies existing array. If you need to return a copy, use "+": | {{Informative | '''append''' does not return array, it modifies existing array. If you need to return a copy, use "+": | ||
<code>array3 <nowiki>=</nowiki> array1 + array2;</code>}} |DESCRIPTION= | <code>array3 <nowiki>=</nowiki> array1 + array2;</code>}} |DESCRIPTION= | ||
| array1 '''append''' array2|SYNTAX= | | array1 '''append''' array2|SYNTAX= | ||
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| [[Nothing]] |RETURNVALUE= | | [[Nothing]] |RETURNVALUE= | ||
|x1= <code>_arr = [1,2,3]; | |x1= <code>_arr = [1,2,3]; | ||
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[[hint]] [[str]] _arr; //[1,2,3,4,5,6]</code> |EXAMPLE1= | [[hint]] [[str]] _arr; //[1,2,3,4,5,6]</code> |EXAMPLE1= | ||
| [[set]], [[pushBack]], [[pushBackUnique]], [[apply]], [[select]], [[resize]], [[reverse]], [[count]], [[find]], [[in]], [[forEach]], [[deleteAt]], [[deleteRange]], [[sort]], [[param]], [[params]], [[toArray]], [[toString]], [[arrayIntersect]], [[arrayIntersect]], [[splitString]], [[joinString]], [[BIS_fnc_arrayPushStack]], [[BIS_fnc_arrayPush]] |SEEALSO= | | [[set]], [[pushBack]], [[pushBackUnique]], [[apply]], [[select]], [[resize]], [[reverse]], [[count]], [[find]], [[in]], [[forEach]], [[deleteAt]], [[deleteRange]], [[sort]], [[param]], [[params]], [[toArray]], [[toString]], [[arrayIntersect]], [[arrayIntersect]], [[splitString]], [[joinString]], [[BIS_fnc_arrayPushStack]], [[BIS_fnc_arrayPush]] |SEEALSO= | ||
Revision as of 01:10, 17 January 2021
Description
- Description:
- Appends array2 to the back of array1 modifying array1.
- Groups:
- Arrays
Syntax
Examples
Additional Information
- See also:
- setpushBackpushBackUniqueapplyselectresizereversecountfindinforEachdeleteAtdeleteRangesortparamparamstoArraytoStringarrayIntersectarrayIntersectsplitStringjoinStringBIS_fnc_arrayPushStackBIS_fnc_arrayPush
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 March 9, 2015 - 00:41 (UTC)
- Heeeere's Johnny!
-
_array1 append _array2is roughly 1.2x faster (depending on array size) than_array1 = _array1 + _array2(Averaged over 10.000 iterations with two identical arrays containing the numbers 0 through 9)
The larger the arrays to append, the faster append is as it does not create a new array, which happens with array addition.
- Posted on May 21, 2015 - 10:27 (UTC)
- Killzone Kid
-
Array "unshift" implementation using append, a faster alternative to BIS_fnc_arrayUnShift:
KK_fnc_unshift = { private ["_arr", "_tmp"]; _arr = _this select 0; _tmp = [_this select 1]; _tmp append _arr; _arr resize 0; _arr append _tmp; _arr }; // Example arr = [1,2,3]; [arr, 0] call KK_fnc_unshift; //both arr and return of function are [0,1,2,3]
- Posted on May 21, 2015 - 15:21 (UTC)
- Killzone Kid
-
Array "insert" implementation using append, much faster alternative to BIS_fnc_arrayInsert:
KK_fnc_insert = { private ["_arr", "_i", "_res"]; _arr = _this select 0; _i = _this select 2; _res = []; _res append (_arr select [0, _i]); _res append (_this select 1); _res append (_arr select [_i, count _arr - _i]); _res }; // Example arr = [1,2,3,4]; [arr, ["a","b"], 2] call KK_fnc_insert; //[1,2,"a","b",3,4]
- Posted on May 21, 2015 - 15:52 (UTC)
- Killzone Kid
-
A faster alternative to BIS_fnc_arrayPushStack using append:
KK_fnc_pushStack = { _this select 0 append (_this select 1); _this select 0 }; // Example arr = [1,2,3]; [arr,[4,5,6]] call KK_fnc_pushStack; //both arr and function return are [1,2,3,4,5,6]