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indexRange
Subhajit Sahu edited this page Nov 20, 2022
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18 revisions
Get index range for part of array.
Similar: index, indexRange, size, isEmpty.
function indexRange(x, i, I)
// x: an array
// i: start index (-ve: from right) [0]
// I: end index (-ve: from right) [|x|]
const array = require('extra-array');
var x = [2, 4, 6, 8];
array.indexRange(x, 1);
// → [ 1, 4 ]
array.indexRange(x, 1, -1);
// → [ 1, 3 ]
array.indexRange(x, 1, -10);
// → [ 1, 1 ]