Chore: use iife replace init in some cases

common/pool/alloc.go

@@ -8,11 +8,7 @@ import (
 	"sync"
 )
 
-var defaultAllocator *Allocator
-
-func init() {
-	defaultAllocator = NewAllocator()
-}
+var defaultAllocator = NewAllocator()
 
 // Allocator for incoming frames, optimized to prevent overwriting after zeroing
 type Allocator struct {

component/process/process_linux.go

@@ -16,14 +16,14 @@ import (
 )
 
 // from https://github.com/vishvananda/netlink/blob/bca67dfc8220b44ef582c9da4e9172bf1c9ec973/nl/nl_linux.go#L52-L62
-func init() {
+var nativeEndian = func() binary.ByteOrder {
 	var x uint32 = 0x01020304
 	if *(*byte)(unsafe.Pointer(&x)) == 0x01 {
-		nativeEndian = binary.BigEndian
-	} else {
-		nativeEndian = binary.LittleEndian
+		return binary.BigEndian
 	}
-}
+
+	return binary.LittleEndian
+}()
 
 type SocketResolver func(network string, ip net.IP, srcPort int) (inode, uid int, err error)
 type ProcessNameResolver func(inode, uid int) (name string, err error)
@@ -40,8 +40,6 @@ const (
 	pathProc                = "/proc"
 )
 
-var nativeEndian binary.ByteOrder = binary.LittleEndian
-
 func findProcessName(network string, ip net.IP, srcPort int) (string, error) {
 	inode, uid, err := DefaultSocketResolver(network, ip, srcPort)
 	if err != nil {

constant/path.go

@@ -9,21 +9,19 @@ import (
 const Name = "clash"
 
 // Path is used to get the configuration path
-var Path *path
-
-type path struct {
-	homeDir    string
-	configFile string
-}
-
-func init() {
+var Path = func() *path {
 	homeDir, err := os.UserHomeDir()
 	if err != nil {
 		homeDir, _ = os.Getwd()
 	}
 
 	homeDir = P.Join(homeDir, ".config", Name)
-	Path = &path{homeDir: homeDir, configFile: "config.yaml"}
+	return &path{homeDir: homeDir, configFile: "config.yaml"}
+}()
+
+type path struct {
+	homeDir    string
+	configFile string
 }
 
 // SetHomeDir is used to set the configuration path