errors

var (
	Cancaled = NewCategory("Cancelled", 499) // non-standard status code for cancellation

	BadRequest       = NewCategory("BadRequest", http.StatusBadRequest)
	InvalidArgument  = NewCategory("InvalidArgument", http.StatusBadRequest)
	Unauthorized     = NewCategory("Unauthorized", http.StatusUnauthorized)
	Forbidden        = NewCategory("Forbidden", http.StatusForbidden)
	PermissionDenied = NewCategory("PermissionDenied", http.StatusForbidden)
	NotFound         = NewCategory("NotFound", http.StatusNotFound)
	DeadlineExceeded = NewCategory("DeadlineExceeded", http.StatusRequestTimeout)
	Conflict         = NewCategory("Conflict", http.StatusConflict)
	AlreadyExist     = NewCategory("AlreadyExist", http.StatusConflict)
	TooManyRequests  = NewCategory("TooManyRequests", http.StatusTooManyRequests)

	Internal          = NewCategory("Internal", http.StatusInternalServerError)
	NotImplemented    = NewCategory("NotImplemented", http.StatusNotImplemented)
	Unavailable       = NewCategory("Unavailable", http.StatusServiceUnavailable)
	ResourceExhausted = NewCategory("ResourceExhausted", http.StatusServiceUnavailable)

	DBFailed = NewCategory("DBFailed", http.StatusInternalServerError)
)