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From: Andreas Leitgeb <avl@logic.at>
Newsgroups: comp.lang.java.programmer
Subject: underscore as keyword in Java 9
Date: Sat, 23 Sep 2017 11:58:35 -0000 (UTC)
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When googling for underscore keyword I found a mail by Brian Goetz, where
he hinted for a future use of the "_" keyword:

  http://mail.openjdk.java.net/pipermail/lambda-dev/2013-July/010670.html

" However, things it might be used for include things like "I don't want
" to give this variable a name" (such as catch parameters that are never
" used.)

Now, some people might already have used that identifier in exactly such
circumstances, namely for variable names that need to be there
syntactically, but are not intended to be used.

It strikes me odd, that Java would first forbid them generally, only to 
later essentially encourage that particular use again.

Maybe, if that was the intention already 4 years ago, they should only 
have made uses of "_" as values (lvalue or rvalue) illegal.

Comments?  Maybe there have risen newer intentions for different uses
in the meantime?