[swift-evolution] SetAlgebra naming update

[Dave Abrahams]

on Thu Mar 24 2016, Ricardo Parada <swift-evolution at swift.org> wrote:

> Hi all,
>
> I could get used to the formNoun naming convention for the mutable versions of the methods. 
>
> I would suggest the following changes:
>
> Remove the parameter label from symmetricDifference() and formSymmetricDifference() to be consistent with the other methods. 
>
> Consider renaming:
> subtracting / subtract 
>
> to: 
> difference / formDifference
>
> in order to keep the API consistent. 

The problem with “difference” is that it's not symmetrical; you really
need to do something to clarify which is the minuend and which is the
subtrahend (yes, I had to look those terms up to write this post!)

subtract and subtracting make that clear.

-- 
Dave