postgres backend (#48)

example/mattn/main.go

@@ -0,0 +1,32 @@
+// A basic example of using Redka
+// with github.com/mattn/go-sqlite3 driver.
+package main
+
+import (
+	"log"
+	"log/slog"
+
+	_ "github.com/mattn/go-sqlite3"
+	"github.com/nalgeon/redka"
+)
+
+func main() {
+	// Open the database.
+	db, err := redka.Open("redka.db", nil)
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer func() { _ = db.Close() }()
+
+	// Set some values.
+	err = db.Str().Set("name", "alice")
+	slog.Info("set", "err", err)
+	err = db.Str().Set("age", 25)
+	slog.Info("set", "err", err)
+
+	// Read them back.
+	name, err := db.Str().Get("name")
+	slog.Info("get", "name", name, "err", err)
+	age, err := db.Str().Get("age")
+	slog.Info("get", "age", age, "err", err)
+}