I would prefer for $ being available as operator symbol, so -1 to the proposal.
-Thorsten > Am 22.10.2016 um 09:22 schrieb Will Stanton via swift-evolution > <[email protected]>: > > On $ specifically, I found this Wikipedia article listing native operators > from other languages: > https://en.wikipedia.org/wiki/Operator_(computer_programming). > Haskell was listed with $ as an operator (‘Anything appearing after it will > take precedence over anything that comes before’ per > http://stackoverflow.com/questions/940382/haskell-difference-between-dot-and-dollar-sign) > > I’m unconvinced a great case for `$` as an operator exists, so opposed to the > source-breaking change, and supportive of SE-144. > > > Jonathan, > Thanks for the reply and Jacob, Erica, and Xiaodi as well for drafting a > broader proposal. > Were you suggesting `$(0)` as a way to initialize a type named `$` or more > like `$0` as a literal? > As a decimal-number/currency-type literal operator, I remain unconvinced that > justifies a source-breaking change for reasons discussed on list (which > dollar? and consistency). > Addressing multiple problems seems like a good direction though (I like the > list: > https://github.com/jsshapiro/swift-evolution/blob/unicode-id-op/proposals/NNNN-refining-identifiers-and-operators.md#prior-discussion-threads--proposals). > > A thought on the draft: >> • Identifiers consisting of an initial '$' (U+0024 DOLLAR SIGN) followed >> by one or more decimal digits ['0'...'9'] are prohibited in defining >> occurrences. These identifiers are reserved for use by the language as >> anonymous closure parameter names. > Would it make sense/is it already the case for closure parameters to be > let-like constants? (I don’t know how the compiler works it, but the error > ‘Cannot assign to value: %something% is immutable’ makes me think no.) Can > closure parameters be treated as automatically generated identifiers instead > of a special restriction in name? > > Regards, > Will Stanton > >> On Oct 21, 2016, at 10:48 PM, Jonathan S. Shapiro >> <[email protected]> wrote: >> >> On Fri, Oct 14, 2016 at 9:29 PM, Will Stanton via swift-evolution >> <[email protected]> wrote: >> I’m a bit curious about how `$` is/would be used as a prefix operator! >> Perhaps I’m not creative :-( >> >> Well for one thing, $(0) can be understood as a value constructor for a >> currency object having a value zero... > > _______________________________________________ > swift-evolution mailing list > [email protected] > https://lists.swift.org/mailman/listinfo/swift-evolution _______________________________________________ swift-evolution mailing list [email protected] https://lists.swift.org/mailman/listinfo/swift-evolution
