[swift-evolution] [Proposal draft] Enhanced floating-point protocols

[Howard Lovatt]

I think `prefix -` works for `negated` (non-mutating form) but not `negate`
(mutating form). IE `-=` is the mutating form of `infix -` and there is no
equivalent in C-like languages for `negated` :(

  -- Howard.

On 19 April 2016 at 08:28, <davesweeris at mac.com> wrote:

> On Apr 16, 2016, at 6:12 PM, Howard Lovatt via swift-evolution <
> swift-evolution at swift.org> wrote:
>
> For the Arithmetic protocol how about changing it to:
>
>     protocol Arithmetic {
>         func + (lhs: Self, rhs: Self) -> Self
>         mutating func += (rhs: Self) -> Self
>         ...
>     }
>
> That way naming issues are largely avoided, except for `mutating func
> negate()` which has no operator and would therefore have to be a normal,
> non-operator, func.
>
> “prefix -" works for negate, at least off the top of my head.
>
> I think.
>
> - Dave Sweeris
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.swift.org/pipermail/swift-evolution/attachments/20160419/fec55d77/attachment.html>