Re: Swift

Le 05/06/2014 12:52, David Starner a écrit :
> On Thu, Jun 5, 2014 at 3:04 AM, J. Leslie Turriff
> <jlturriff_at_centurylink.net> wrote:
>> What I find interesting is that (with the possible exception of Ada) I don't
>> think that any of the commonly used languages allow for the use of Unicode
>> characters for non- user-defined tokens (i.e. reserved words, etc.).
> There is one non-ASCII character in the library, for Pi, and that
> caused some fuss, along with some eye-rolling, as writing the Unicode
> characters as ["03C0"] is permitted. Ada is a conservative language,
> and there's no real drive to make changes like these. (I was mistaken
> on the 20 years for Unicode identifiers; it was the Ada 2005 standard
> that permitted it, not Ada 95.)
>
> Scala is not really a commonly used language, but does use some
> Unicode arrows: ⇒ for =>, ←for <- and → for ->. Most people don't
> bother.
>
> ALGOL 60 and ALGOL 68 used non-ASCII characters like ×, ÷, ≤, ≥, ≠, ¬,
> ∨, ∧, ⊂, ≡, ␣ and ⏨, and had compiler defined spellings for keywords.
>
And, of course, there is APL (
https://en.wikipedia.org/wiki/APL_%28programming_language%29 ). Unicode
has 70 characters specially for its use (APL FUNCTIONNAL SYMBOL ****),
U+2336 to U+237A since Unicode 1.1 and U+2395 since Unicode 3.0
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Received on Thu Jun 05 2014 - 06:11:45 CDT