From 923679b36c9d47deefcf079dfaf165de5f6c085d Mon Sep 17 00:00:00 2001
From: Jeremy Jay <jeremy@pbnjay.com>
Date: Fri, 18 Jul 2014 14:54:29 -0400
Subject: [PATCH] comment tweaks

---
 cayley.go            | 2 +-
 db/open.go           | 3 +--
 graph/triplestore.go | 5 +++--
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/cayley.go b/cayley.go
index 7ff1fd8..d5dea02 100644
--- a/cayley.go
+++ b/cayley.go
@@ -27,7 +27,7 @@ import (
 	"github.com/google/cayley/graph"
 	"github.com/google/cayley/http"
 
-	// load all supported backends
+	// Load all supported backends.
 	_ "github.com/google/cayley/graph/leveldb"
 	_ "github.com/google/cayley/graph/memstore"
 	_ "github.com/google/cayley/graph/mongo"
diff --git a/db/open.go b/db/open.go
index b0973d7..6b78e52 100644
--- a/db/open.go
+++ b/db/open.go
@@ -26,10 +26,9 @@ func Open(cfg *config.Config) graph.TripleStore {
 	ts, err := graph.NewTripleStore(cfg.DatabaseType, cfg.DatabasePath, cfg.DatabaseOptions)
 	if err != nil {
 		glog.Fatalln(err.Error())
-		return nil
 	}
 
-	// memstore is not persistent, so MUST be loaded
+	// Memstore is not persistent, so it MUST be loaded.
 	if cfg.DatabaseType == "memstore" {
 		Load(ts, cfg, cfg.DatabasePath)
 	}
diff --git a/graph/triplestore.go b/graph/triplestore.go
index 76a18cc..9690bdb 100644
--- a/graph/triplestore.go
+++ b/graph/triplestore.go
@@ -163,9 +163,10 @@ func InitTripleStore(name, dbpath string, opts Options) error {
 	return errors.New("triplestore: name '" + name + "' is not registered")
 }
 
-func TripleStores() (t []string) {
+func TripleStores() []string {
+	t := make([]string, 0, len(storeRegistry))
 	for n := range storeRegistry {
 		t = append(t, n)
 	}
-	return
+	return t
 }