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>It doesn’t predate sql and certainly not it’s use in mathematics.

What do you mean by "it's use in mathematics"? To my knowledge <> was invented by Algol language creators to use it for inequality. There was no previous use in mathematics. And to my opinion, that was an unfortunate error.

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Interesting, must have learned it so long ago… Pascal? that I conflated it with math class. Still ~1958 is rather venerable.

The plot thickens, apparently ++ is used for erlang. So I still find it a poor choice.

++ is for concatenating lists, it's not the only functional language that uses this.

Really though who cares? `=` is already misused in most programming languages.

When looking at new languages, getting the basics right is the first thing I look at. Clumsy string concatenation is a blocker in my business, which is like 75% of the code.

Actually in Elixir when doing string building you want to use "improper" lists which lets you very efficiently build up a string without doing any copying.

Oh ha, duh me, I did not consider it wasn't invented by Postgres.

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