errors

var (
	ErrNotImplemented       = New("not implemented")
	ErrConfigNotFound       = New("config file not found")
	ErrStreamingUnsupported = New("streaming unsupported")

	ErrConfigDecoding = func(err error) error { return New(fmt.Sprintf("config decoding failed: %s", err.Error())) }
	ErrNotConfigured  = func(name string) error { return New(fmt.Sprintf("%s not configured", name)) }

	ErrEmailAlreadyUsed       = New("email already used")
	ErrEmailOrPasswordInvalid = New("email or password invalid")
	ErrInvalidCredentials     = New("invalid credentials")

	ErrTokenGenerationFail = New("token generation fail")
	ErrInvalidPolicyData   = New("invalid policy data")
	ErrDeleteRoleWithUsers = New("can't delete role with some users")

	ErrNilPointerDeref = New("nil pointer dereference")
	ErrGetOfNoValue    = New("get of no value")
	ErrNoDatabaseFound = New("no database found")

	ErrNoValuePresent = New("no value present")
)