[leftover] Using _ as a variable

[Brian Goetz]

Great catch, thanks!

On 4/14/2017 2:37 PM, Remi Forax wrote:
> If someone try to use '_' as a variable, javac reports the following error,
> which is not very readable.
>
> javac -source 10 LambdaLeftovers.java
> LambdaLeftovers.java:10: error: as of release 10, '_' may only be used as an identifier of:
>        System.out.println(_);
>                           ^
>    unused lambda, method, or catch formal parameter.
> 1 error
>
> what about
>    as of release 10, '_' can only be used as an unused formal parameter.
>
> cheers,
> Rémi
>