a hash b: Difference between revisions

Revision as of 15:56, 12 October 2021

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Description:: Selects an element from an array, same as select command for arrays, but has higher precedence
Groups:: Variables

Example 1:: [1,2,3,4] # 2; // result is 3
Example 2:: getPosASL player # 2; // result is Z component of player's position

See also:: select selectRandom selectRandomWeighted set resize reverse in find toArray toString forEach count deleteAt deleteRange append sort param params splitString joinString pushBack pushBackUnique apply

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: Posted on April 25, 2018 - 00:51 (UTC)
KC Grimes: Although not alternative syntax, the below notations work as expected: ["A","B","C"] # 1; //B ["A","B","C"] #1; //B ["A","B","C"]#1; //B ["A","B",["C","D"]]#2#0; //C

: Posted on May 3, 2019 - 15:41 (UTC)
7erra: Here is an example of what higher precedence means: [1,2,3,4] select 2/2; // divides 2 with 2, therefore selects second element = 2 [1,2,3,4] select (2/2); // same result with brackets [1,2,3,4] # 2/2; // selects third element, then divides by 2 = 1.5 ([1,2,3,4] # 2)/2; // same result with brackets
This operator can not be used in conjunction with the #define preprocessor.
#define SEL_ERR [0,1,2]#0 //error #define SEL_NOERR [0,1,2] select 0 //works
: Posted on April 2, 2021 - 16:18 (UTC)
fett_li: Beware new-lines when using this operator. I suspect the preprocessor to fail. The following code will not compile without throwing an error: [0] # 0;

@@ Line 20: / Line 20: @@
 |x1= <code>[1,2,3,4] [[a_hash_b|#]] 2;			{{cc|result is 3}}</code>
-|x2= <code>[[position]] [[player]] [[a_hash_b|#]] 2;	{{cc|result is Z coordinate of player's position}}</code>
+|x2= <code>[[getPosASL]] [[player]] [[a_hash_b|#]] 2;	{{cc|result is Z component of player's position}}</code>
 |seealso= [[select]], [[selectRandom]], [[selectRandomWeighted]], [[set]], [[resize]], [[reverse]], [[in]], [[find]], [[toArray]], [[toString]], [[forEach]], [[count]], [[deleteAt]], [[deleteRange]], [[append]], [[sort]], [[param]], [[params]], [[splitString]], [[joinString]], [[pushBack]], [[pushBackUnique]], [[apply]]