a hash b: Difference between revisions

Revision as of 15:11, 4 May 2019

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

Example 1:: [1,2,3,4] # 2; // result is 3
Example 2:: position player # 2; // result is Z coordinate 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

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 <dt class="note">[[User:7erra|7erra]]</dt>
 <dd class="note">
+Here is an example of what higher precedence means:
+<code>[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
+</code>
+<br>
 This operator can not be used in conjunction with the #define preprocessor.<br>
 <code><nowiki>#define SEL_ERR [0,1,2]#0 //error