Run go vet

Bugs found.

graph/bolt/all_iterator.go

@@ -103,7 +103,7 @@ func (it *AllIterator) Next() bool {
 			} else {
 				k, _ := cur.Seek(last)
 				if !bytes.Equal(k, last) {
-					return fmt.Errorf("could not pick up after", k)
+					return fmt.Errorf("could not pick up after %v", k)
 				}
 			}
 			for i < bufferSize {

graph/bolt/iterator.go

@@ -148,7 +148,7 @@ func (it *Iterator) Next() bool {
 			} else {
 				k, _ := cur.Seek(last)
 				if !bytes.Equal(k, last) {
-					return fmt.Errorf("could not pick up after", k)
+					return fmt.Errorf("could not pick up after %v", k)
 				}
 			}
 			for i < bufferSize {

graph/iterator/fixed_iterator.go

@@ -100,7 +100,7 @@ func (it *Fixed) DebugString(indent int) string {
 	if len(it.values) > 0 {
 		value = fmt.Sprint(it.values[0])
 	}
-	return fmt.Sprintf("%s(%s %d tags: %s Size: %d id0: %d)",
+	return fmt.Sprintf("%s(%s %d tags: %s Size: %d id0: %s)",
 		strings.Repeat(" ", indent),
 		it.Type(),
 		it.UID(),

graph/iterator/value_comparison_iterator.go

@@ -154,7 +154,7 @@ func (it *Comparison) NextPath() bool {
 			return false
 		}
 		if it.doComparison(it.subIt.Result()) {
-			return true
+			break
 		}
 	}
 	it.result = it.subIt.Result()

graph/leveldb/leveldb_test.go

@@ -137,7 +137,12 @@ func TestLoadDatabase(t *testing.T) {
 	}
 
 	w, _ := writer.NewSingleReplication(qs, nil)
-	w.AddQuad(quad.Quad{"Something", "points_to", "Something Else", "context"})
+	w.AddQuad(quad.Quad{
+		Subject:   "Something",
+		Predicate: "points_to",
+		Object:    "Something Else",
+		Label:     "context",
+	})
 	for _, pq := range []string{"Something", "points_to", "Something Else", "context"} {
 		if got := qs.NameOf(qs.ValueOf(pq)); got != pq {
 			t.Errorf("Failed to roundtrip %q, got:%q expect:%q", pq, got, pq)
@@ -171,7 +176,12 @@ func TestLoadDatabase(t *testing.T) {
 		t.Errorf("Unexpected quadstore size, got:%d expect:5", s)
 	}
 
-	w.RemoveQuad(quad.Quad{"A", "follows", "B", ""})
+	w.RemoveQuad(quad.Quad{
+		Subject:   "A",
+		Predicate: "follows",
+		Object:    "B",
+		Label:     "",
+	})
 	if s := qs.Size(); s != 10 {
 		t.Errorf("Unexpected quadstore size after RemoveQuad, got:%d expect:10", s)
 	}

graph/memstore/quadstore_test.go

@@ -177,7 +177,12 @@ func TestLinksToOptimization(t *testing.T) {
 func TestRemoveQuad(t *testing.T) {
 	qs, w, _ := makeTestStore(simpleGraph)
 
-	w.RemoveQuad(quad.Quad{"E", "follows", "F", ""})
+	w.RemoveQuad(quad.Quad{
+		Subject:   "E",
+		Predicate: "follows",
+		Object:    "F",
+		Label:     "",
+	})
 
 	fixed := qs.FixedIterator()
 	fixed.Add(qs.ValueOf("E"))