[Ironruby-core] Code Review: Thread#raise

[Charles Oliver Nutter]

Jim Deville wrote:
> -W _level_ sets the warning level. Internally, it sets $VERBOSE to true if -W, -W1 sets $VERBOSE to false and -W0 sets $VERBOSE to nil. If $VERBOSE is nil, no warnings (even those called by Kernel.warn) will be printed. 
> 
> From what I can gather, -v, --version, -w and -W (-W with no level) are equivalent and all set $VERBOSE to true.
> 
> Charlie or Tomas, can you expand on that, or correct me if my understanding is incorrect? 

Correct.