class Honeybadger::Notice

def exception_cause(exception)

Returns the Exception cause.

exception - Exception to fetch cause from.

Fetch cause from exception. 
def exception_cause(exception)
  e = exception
  if e.respond_to?(:cause) && e.cause && e.cause.is_a?(Exception)
    e.cause
  elsif e.respond_to?(:original_exception) && e.original_exception && e.original_exception.is_a?(Exception)
    e.original_exception
  elsif e.respond_to?(:continued_exception) && e.continued_exception && e.continued_exception.is_a?(Exception)
    e.continued_exception
  end
end