fails:The rescue keyword can be used to handle a specific exception
fails:The rescue keyword can capture the raised exception in a local variable
fails:The rescue keyword can rescue multiple raised exceptions with a single rescue block
fails:The rescue keyword can rescue a splatted list of exceptions
fails:The rescue keyword will only rescue the specified exceptions when doing a splat rescue
fails:The rescue keyword will execute an else block only if no exceptions were raised
fails:The rescue keyword will not execute an else block if an exception was raised
fails:The rescue keyword will not rescue errors raised in an else block in the rescue block above it
fails:The rescue keyword parses  'a += b rescue c' as 'a += (b rescue c)'