func (c *ComposedHandler) callMap(h bh.Handler, msg bh.Msg, ctx bh.MapContext) (
cells bh.MappedCells, err error) {
defer func() {
if r := recover(); r != nil {
err = errors.New(fmt.Sprintf("%v", r))
}
}()
cells = h.Map(msg, ctx)
if cells == nil {
err = fmt.Errorf("%#v drops the msg", h)
}
return
}
func (c *ComposedHandler) callRcv(h bh.Handler, msg bh.Msg, ctx bh.RcvContext) (
err error) {
defer func() {
r := recover()
if r == nil {
return
}
if d, ok := r.(time.Duration); ok {
ctx.Snooze(d)
}
err = errors.New(fmt.Sprintf("%v", r))
}()
return h.Rcv(msg, ctx)
}