Compiler plugin for warning suppression

Hello,

Recently, inspired by the Towards a Safer Scala 
<http://confreaks.tv/videos/pnws2014-towards-a-safer-scala> talk from this 
year's ScalaDays, I wanted to try out the set of scalac options recommended 
by the speaker:

scalacOptions ++= Seq(
  "-Xlint",
  "-Xdeprecation",  
  "-Xfatal-warnings"
)

Unfortunately, almost immediately I ran into a show-stopper: Scala has no 
warning suppression similar to Java's @SuppressWarnings. I googled around 
and unpleasantly found out that requests for this feature have been 
rejected. See for example SI-1781 
<https://issues.scala-lang.org/browse/SI-1781>.

But I realized that writing a compiler plugin which could fill that gap 
would not be that hard.

So here it is: 

*silencer <https://github.com/ghik/silencer>*It would be nice to have some 
feedback from you, Scala users, to see if there is any interest in 
maintaining such plugin. The current proof-of-concept implementation is 
really simple and small, but uses internal scalac API, so I guess there's 
no guarantee that it won't break with some new Scala version. That is also 
why I think some community support would help a lot.

Cheers,
Roman

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