Binary search with comparator
npm install bscBinary search with comparator.
* tests not only for the result but for how many steps it takes as well
* always return -1 if nothing has been found, no "insertion point" negative values
* no "lower" or "upper bounds"
``sh`
$ yarn add bsc
`ts`
`js
import binarySearch from 'bsc'
const arr = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
// if comparator return 0 then that item is the result index``
binarySearch(arr, (item) => 2 - item) // 2
binarySearch(arr, (item) => 10 - item) // -1