func (this *MartiniHelper) context(rwc *karambie.ResponseWriterContext, r *http.Request) martini.Context {
if v, ok := rwc.GetOk(contextInstance); ok {
return v.(martini.Context)
} else {
c := &context{inject.New()}
c.SetParent(this)
c.Map(rwc)
c.MapTo(c, (*martini.Context)(nil))
c.MapTo(martini.NewResponseWriter(rwc), (*http.ResponseWriter)(nil))
c.Map(r)
rwc.Set(contextInstance, c)
return c
}
}
func GetStack(c *karambie.ResponseWriterContext) (interface{}, []byte) {
return c.Get(errInstance), c.Get(stackInstance).([]byte)
}