class Ougai::Formatters::Base

def serialize_exc(ex)
  err = {
    name: ex.class.name,
    message: ex.to_s
  }
  if ex.backtrace
    bt = ex.backtrace.slice(0, @trace_max_lines)
    err[:stack] = @serialize_backtrace ? serialize_trace(bt) : bt
  end
  err
end