Use plain integers to represent status codes

status.go

@@ -1,51 +1,47 @@
 package gemini
 
 // Status codes.
-type Status int
-
 const (
-	StatusInput                    Status = 10
-	StatusSensitiveInput           Status = 11
-	StatusSuccess                  Status = 20
-	StatusRedirect                 Status = 30
-	StatusPermanentRedirect        Status = 31
-	StatusTemporaryFailure         Status = 40
-	StatusServerUnavailable        Status = 41
-	StatusCGIError                 Status = 42
-	StatusProxyError               Status = 43
-	StatusSlowDown                 Status = 44
-	StatusPermanentFailure         Status = 50
-	StatusNotFound                 Status = 51
-	StatusGone                     Status = 52
-	StatusProxyRequestRefused      Status = 53
-	StatusBadRequest               Status = 59
-	StatusCertificateRequired      Status = 60
-	StatusCertificateNotAuthorized Status = 61
-	StatusCertificateNotValid      Status = 62
+	StatusInput                    = 10
+	StatusSensitiveInput           = 11
+	StatusSuccess                  = 20
+	StatusRedirect                 = 30
+	StatusPermanentRedirect        = 31
+	StatusTemporaryFailure         = 40
+	StatusServerUnavailable        = 41
+	StatusCGIError                 = 42
+	StatusProxyError               = 43
+	StatusSlowDown                 = 44
+	StatusPermanentFailure         = 50
+	StatusNotFound                 = 51
+	StatusGone                     = 52
+	StatusProxyRequestRefused      = 53
+	StatusBadRequest               = 59
+	StatusCertificateRequired      = 60
+	StatusCertificateNotAuthorized = 61
+	StatusCertificateNotValid      = 62
 )
 
 // Status code categories.
-type StatusClass int
-
 const (
-	StatusClassInput               StatusClass = 1
-	StatusClassSuccess             StatusClass = 2
-	StatusClassRedirect            StatusClass = 3
-	StatusClassTemporaryFailure    StatusClass = 4
-	StatusClassPermanentFailure    StatusClass = 5
-	StatusClassCertificateRequired StatusClass = 6
+	StatusClassInput               = 1
+	StatusClassSuccess             = 2
+	StatusClassRedirect            = 3
+	StatusClassTemporaryFailure    = 4
+	StatusClassPermanentFailure    = 5
+	StatusClassCertificateRequired = 6
 )
 
-// Class returns the status class for this status code.
-func (s Status) Class() StatusClass {
-	return StatusClass(s / 10)
+// StatusClass returns the status class for this status code.
+func StatusClass(status int) int {
+	return status / 10
 }
 
 // Meta returns a description of the status code appropriate for use in a response.
 //
 // Meta returns an empty string for input, success, and redirect status codes.
-func (s Status) Meta() string {
-	switch s {
+func Meta(status int) string {
+	switch status {
 	case StatusTemporaryFailure:
 		return "Temporary failure"
 	case StatusServerUnavailable: