[swift-evolution] Which functionality should be covered by a native Swift math/numerics library that ships with the standard lib?

[Tino Heth]

> I don't think that non-type generic arguments are enough to create fixed-size arrays. How would you fill in `struct Vector<T, count: Int> { ... }`?
Fixed-size arrays could be initialized like current arrays:
You either give a value to repeat or an array-literal of the right size.
There could be a faillable initializer that takes an array of undefined size as well.

The data could be stored in a "normal" array, but I'd expect an implementation in the stdlib, so that working with raw memory would stay something that's not needed for most Swift developers.

> Seems to me that the first step would be actual language support for non-parametrizable fixed-size arrays.
Are you referring to literals here?
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