[swift-evolution] [Review] SE-0067: Enhanced Floating Point Protocols

[Dave Abrahams]

on Wed Apr 20 2016, Xiaodi Wu <xiaodi.wu-AT-gmail.com> wrote:

> I'm saying something else. The preposition that goes with "less" is "than,"
> while "to" goes only with "equal." By making "to" a parameter label you've got
> {less than or equal} to, which is inelegant because the label cannot be
> distributed to both parts--i.e. one cannot say "less than to or equal to."
>
> Put another way, I could just as well rewrite the method as `equalToOrLess
> (than:)`. Now, the parameter is labeled "than" instead of "to," yet the
> parameter serves the same purpose. Thus, I argue that the proposed method name
> may meet the letter of the Swift guidelines but is awkward.

I see, thanks.

>
>
> On Wed, Apr 20, 2016 at 14:44 Dave Abrahams via swift-evolution
> <swift-evolution at swift.org> wrote:
>
>     on Tue Apr 19 2016, Xiaodi Wu <swift-evolution at swift.org> wrote:
>
>     > * What is your evaluation of the proposal?
>     >
>     > +1 in intent. Specifics require further refinement. For example:
>     >
>     > Internal inconsistencies in capitalization:
>     > * `signalingNaN` but `isSignalingNan` and `isNan`
>     >
>     > Parameter labels, or whatever they're called now, do not reflect newly
>     > adopted Swift syntax in SE-0046:
>     > * `static func maximum(x: Self, _ y: Self) -> Self` should be `static
>     > func maximum(_ x: Self, _ y: Self) -> Self`, etc.
>     >
>     > Infelicitous use of prepositions to conform superficially to new
>     > naming guidelines:
>     > * `isEqual(to:)` is fine, but for consistency there's
>     > `isLessThanOrEqual(to:)`, which is not fine, because the preposition
>     > "to" applies only to "equal" and not to "less than"
>
>     That seems like a huge stretch to me. Are you claiming it's wrong to
>     say “x is less than or equal to y,” or are you saying something else?
>
>     --
>     Dave
>
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-- 
Dave