On Wed, Nov 29, 2017 at 09:14:12AM +0200, Serhiy Storchaka wrote:
> 29.11.17 08:08, Steven D'Aprano пише:
> >Perl is hardly the only language with null-coalescing operators -- we
> >might better describe ?? as being familiar to C#, PHP, Swift and Dart.
> >That's two mature, well-known languages and two up-and-coming languages.
>
> What is the syntax of the ternary operator in these languages?

All four use:

    condition ? first : second

for the ternary if operator.