Last active
December 8, 2020 16:34
-
-
Save kino6052/063cecd5601485307c8bb363f62092ab to your computer and use it in GitHub Desktop.
Existence
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
const is = (it, n = Symbol()) => (it ?? n) !== n; | |
const is = it => (it ?? null) !== null; |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment