> Upsert (https://github.com/tc39/proposal-upsert): [Weak]Map.prototype.getOrInsert(), [Weak]Map.prototype.getOrInsertComputed()
Their usage of upsert appears different than I was used to:
Me: Upsert = Update or Insert
Them: Upsert = Get or Insert
> Upsert (https://github.com/tc39/proposal-upsert): [Weak]Map.prototype.getOrInsert(), [Weak]Map.prototype.getOrInsertComputed()
Their usage of upsert appears different than I was used to:
Me: Upsert = Update or Insert
Them: Upsert = Get or Insert
The proposal used to do more thing and we didn't change the URL after we ultimately arrived at this set of APIs.
Reminds me of the weird C++ map operator[] behavior.
If you use that operator and the value doesn't exist, it'll default create one and return a reference to that.
And as I'm writing this I realize why... references cannot be `null`.
what is the value of an "update or insert" call on `Map`? is that not just set?
`getOrInsert` here seems to be the Python "set_default" method on dicts, which is very useful at avoiding tedium in some basic data munging