Data commit

Task/Arrays/Aikido/arrays.aikido

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+var arr1 = [1,2,3,4]   // initialize with array literal
+var arr2 = new [10]   // empty array of 10 elements (each element has value none)
+var arr3 = new int [40]  // array of 40 integers
+var arr4 = new Object (1,2) [10]   // array of 10 instances of Object
+
+arr1.append (5)   // add to array
+var b = 4 in arr1   // check for inclusion
+arr1 <<= 2           // remove first 2 elements from array
+var arrx = arr1[1:3]   // get slice of array
+var s = arr1.size()  // or sizeof(arr1)
+delete arr4[2]     // remove an element from an array
+
+var arr5 = arr1 + arr2   // append arrays
+var arr6 = arr1 | arr2    // union
+var arr7 = arr1 & arr2   // intersection