Misko Hevery 4c7087ccdb refactor(core): Add array modification functions. (#34804)
This change introduces several functions for manipulating items in an array in an efficient (binary search) way.

- `arraySplice` a faster version of `Array.splice()`.
- `arrayInsert` a faster version of `Array.splice(index, 0, value)`.
- `arrayInsert2` a faster version of `Array.splice(index, 0, value1, value2)`.
- `arrayInsertSorted` a way to insert a value into sorted list.
- `arrayRemoveSorted` a way to remove a value from a sorted list.
- `arrayIndexOfSorted` a way to find a value in a sorted list.
- `ArrayMap` Efficient implementation of `Map` as an `Array`.
- `arrayMapSet`, `arrayMapGet`, `arrayMapIndexOf`, and `arrayMapDelete` for manipulating `ArrayMap`s.

PR Close #34804
2020-01-24 12:23:00 -08:00
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