[swift-evolution] A path forward on rationalizing unicode identifiers and operators

[Taylor Swift]

On Mon, Oct 2, 2017 at 11:12 PM, David Sweeris via swift-evolution <
swift-evolution at swift.org> wrote:

> Maybe they've started teaching it earlier than when I went through
> school... I don't think I learned it until Discrete Math, which IIRC was a
> 2nd or 3rd year course at my college and only required for Math, CS, and
> maybe EE majors. Anyway, WRT a), if Swift achieves its "take over the
> world" goal, *all* use cases will be Swift use cases. WRT b), "many" as
> in the numerical quantity or "many" as in the percentage? There are
> probably millions of people who recognize calculus's operators, but there
> are 7.5 *billion* people in the world.
>

I’m 19 and for what it’s worth, set notation is “taught” in 9th grade but
no one really “learns” it until they get to discrete structures in college.
There’s a ton of random things that get introduced in high school/middle
school that no one ever retains. Believe it or not they teach set closure
in 6th grade, at least in my state.

It’s still my opinion that ⊆, ⊇, ∪, and friends make for obfuscated code
and I consider unicode operators to be one of the “toy” features of Swift.
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