arrayIntersect: Difference between revisions

Revision as of 15:01, 27 August 2020

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Description:: Intersects array1 with array2 returning array of unique common elements. Additionally, using the same array for array1 and array2 will simply return array of unique elements. Intersects only 1st dimension of an array.
Groups:: Uncategorised

Example 1:: _arr1 = [1,2,3,4,5,2,3,4]; _arr2 = [4,5,6,1,2,3,5,6]; hint str (_arr1 arrayIntersect _arr2); // [4,5,1,2,3]
Example 2:: _arr = [1,2,3,1,2,3,1,2,3,4,5]; hint str (_arr arrayIntersect _arr); // [1,2,3,4,5]
Example 3:: Remove nils: hint str ([1,2,nil,3] arrayIntersect [1,2,nil,3]); // [1,2,3]
Example 4:: Also works with array elements which are equal: hint str ([[1],[2],[3]] arrayIntersect [[2],[3],[4]]); // [[2],[3]]
Example 5:: This command is case sensitive:["cAse"] arrayIntersect ["cAse"];// ["cAse"] ["cAse"] arrayIntersect ["casE"];// []

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

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 |x4= Also works with array elements which are [[isEqualTo|equal]]:<code> [[hint]] [[str]] ([[1],[2],[3]] [[arrayIntersect]] [[2],[3],[4]]); // [[2],[3]]</code> |EXAMPLE4=
+|x5= This command is case sensitive:<code>["cAse"] [[arrayIntersect]] ["cAse"];{{cc|["cAse"]|true}}
+["cAse"] [[arrayIntersect]] ["casE"];{{cc|[]|true}}</code> |EXAMPLE5=
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