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, <[email protected]> wrote: > On Apr 16, 2016, at 6:12 PM, Howard Lovatt via swift-evolution < > [email protected]> 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 >
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