Always print version

core.go

@@ -1,20 +1,19 @@
 // Package core provides common definitions and functionalities of V2Ray.
 package core
 
+import (
+	"fmt"
+)
+
 var (
-	version = "0.8"
-	build   = "Custom"
+	version  = "0.8"
+	build    = "Custom"
+	codename = "Post Apocalypse"
+	intro    = "A stable and unbreakable connection for everyone."
 )
 
-const (
-	Codename = "Post Apocalypse"
-	Intro    = "A stable and unbreakable connection for everyone."
-)
-
-func Version() string {
-	return version
-}
-
-func Build() string {
-	return build
+func PrintVersion() {
+	fmt.Printf("V2Ray %s (%s) %s", version, codename, build)
+	fmt.Println()
+	fmt.Println(intro)
 }