2 points

This seems like a nice feature. Python has sets like this too, and it’s super useful.

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-14 points

Ah yes, javascript, the database language.

Jesus fucking christ I am so glad I don’t work in the corporate tech sector anymore.

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14 points

Sets aren’t just for databases

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-13 points
*

If you need to be able to do unions and you are doing it in javascript, you are being absurdly inefficient compared to setting up a postgres db, but i wont be able to convince you of this because of basically nonsense brainwashing from your corporate conditioning.

EDIT: Note to self, do not use lemmy while hangry.

Yep Im wayyyy off base here.

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6 points

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9 points

Why would you need to set up a postgres db…? Unions are a fundamental set theoretic operation that are applicable to all set-like collections. You may as well say “an in memory hash map / list is absurdly inefficient compared to a relational db.” Is it efficient, to you, to spin up a postgres instance to hold a dozen key value pairs?

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5 points

Sets are super useful for all sorts of stuff where you want the datatype to guarantee there is only one instance of a value in the collection. UI components where you are incrementally adding things to a selection is a great example.

It’s a completely standard feature in many stdlibs and has nothing to with turning JS into a database.

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18 points

Union organizing and intersectionality can only improve things.

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27 points

They didn’t have that?!

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3 points

Set functionality was there leveraging object properties this just makes things more concise

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13 points

The more you learn about JavaScript, the less you understand how the modern web actually functions.

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