anton-voron
anton-voron
/ bitmask-crud.js
Created
November 8, 2021 12:34
— forked from mediaupstream/bitmask-crud.js
Store CRUD settings in 2 bytes with bitmasks
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| const CREATE = 0 | |
| const READ = 1 | |
| const UPDATE = 2 | |
| const DELETE = 3 | |
| const add = (a, b) => a |= (1 << b) | |
| const remove = (a, b) => a &= ~(1 << b) | |
| const has = (a, b) => ((a & (1 << b)) > 0) | |
| const bin = (a) => (s).toString(2) |