Tuple DIP

[Timon Gehr]

On 13.01.2018 19:11, Timothee Cour wrote:
> https://github.com/tgehr/DIPs/blob/tuple-syntax/DIPs/DIP1xxx-tg.md#proposal-6-placeholder-name-_
> 
>> Symbols with the name _ should not be inserted into the symbol table.
> why not use `?` instead of `_` ?
> no breaking change and should be unambiguous with (expr ? expr : expr) syntax
> 
> 

It's unambiguous but nonstandard and a bit noisy. Also, it's slightly 
harder to support in the parser (although that shouldn't be a big concern).

However, this proposal is independent of all the other ones, so in the 
end it is up to Walter and Andrei.