1 files changed, 20 insertions, 17 deletions

diff --git a/skate/verify.go b/skate/verify.go
index 5eccbab..c24590e 100644
--- a/skate/verify.go
+++ b/skate/verify.go
@@ -139,12 +139,12 @@ func ClusterVerifyMaxSize(p []byte, maxClusterSize int) ([]byte, error) {
 	var (
 		rc  *ReleaseCluster
 		buf bytes.Buffer
+		n   int
 	)
 	if err := json.Unmarshal(p, &rc); err != nil {
 		return nil, err
 	}
-	n := len(rc.Values)
-	if n > maxClusterSize {
+	if n = len(rc.Values); n > maxClusterSize {
 		return nil, nil
 	}
 	// O(n^2) ahead, specifically, n * (n-1) / 2.
@@ -174,22 +174,24 @@ func ClusterVerify(p []byte) ([]byte, error) {
 	return ClusterVerifyMaxSize(p, 10)
 }
 
-// RefClusterVerify deserialized a cluster document containing both converted
+// RefClusterVerify deserializes a cluster document containing both converted
 // references and releases and returns a tabular verification result between
-// one release and all references found.
+// one release and all references found. This depends on refs and releases
+// being distinguishable, (e.g. via .extra.skate.status == "ref").
 func RefClusterVerify(p []byte) ([]byte, error) {
 	var (
-		rc  *ReleaseCluster
-		buf bytes.Buffer
+		rc        *ReleaseCluster
+		buf       bytes.Buffer
+		pivot, re *Release
+		err       error
 	)
-	if err := json.Unmarshal(p, &rc); err != nil {
+	if err = json.Unmarshal(p, &rc); err != nil {
 		return nil, err
 	}
-	pivot, err := rc.OneNonRef()
-	if err != nil {
+	if pivot, err = rc.OneNonRef(); err != nil {
 		return nil, err
 	}
-	for _, re := range rc.Values {
+	for _, re = range rc.Values {
 		if re.Extra.Skate.Status != "ref" {
 			continue
 		}
@@ -208,18 +210,19 @@ func RefClusterVerify(p []byte) ([]byte, error) {
 // RefClusterToBiblioRef creates a BiblioRef schema from exact and strong matches only.
 func RefClusterToBiblioRef(p []byte) ([]byte, error) {
 	var (
-		cr  *ReleaseCluster
-		br  *BiblioRef
-		buf bytes.Buffer
+		rc        *ReleaseCluster
+		br        *BiblioRef
+		buf       bytes.Buffer
+		pivot, re *Release
+		err       error
 	)
-	if err := json.Unmarshal(p, &cr); err != nil {
+	if err = json.Unmarshal(p, &rc); err != nil {
 		return nil, err
 	}
-	pivot, err := cr.OneNonRef()
-	if err != nil {
+	if pivot, err = rc.OneNonRef(); err != nil {
 		return nil, err
 	}
-	for _, re := range cr.Values {
+	for _, re = range rc.Values {
 		if re.Extra.Skate.Status != "ref" {
 			continue
 		}