remove unnecessary assignment

common/uuid/uuid_test.go

@@ -70,8 +70,8 @@ func TestRandom(t *testing.T) {
 func TestEquals(t *testing.T) {
 	assert := With(t)
 
-	var uuid *UUID = nil
-	var uuid2 *UUID = nil
+	var uuid *UUID
+	var uuid2 *UUID
 	assert(uuid.Equals(uuid2), IsTrue)
 
 	uuid3 := New()

proxy/vmess/encoding/client.go

@@ -103,7 +103,7 @@ func (c *ClientSession) EncodeRequestBody(request *protocol.RequestHeader, write
 	if request.Option.Has(protocol.RequestOptionChunkMasking) {
 		sizeParser = NewShakeSizeParser(c.requestBodyIV[:])
 	}
-	var padding crypto.PaddingLengthGenerator = nil
+	var padding crypto.PaddingLengthGenerator
 	if request.Option.Has(protocol.RequestOptionGlobalPadding) {
 		padding = sizeParser.(crypto.PaddingLengthGenerator)
 	}
@@ -200,7 +200,7 @@ func (c *ClientSession) DecodeResponseBody(request *protocol.RequestHeader, read
 	if request.Option.Has(protocol.RequestOptionChunkMasking) {
 		sizeParser = NewShakeSizeParser(c.responseBodyIV[:])
 	}
-	var padding crypto.PaddingLengthGenerator = nil
+	var padding crypto.PaddingLengthGenerator
 	if request.Option.Has(protocol.RequestOptionGlobalPadding) {
 		padding = sizeParser.(crypto.PaddingLengthGenerator)
 	}

proxy/vmess/encoding/server.go

@@ -214,7 +214,7 @@ func (s *ServerSession) DecodeRequestBody(request *protocol.RequestHeader, reade
 	if request.Option.Has(protocol.RequestOptionChunkMasking) {
 		sizeParser = NewShakeSizeParser(s.requestBodyIV[:])
 	}
-	var padding crypto.PaddingLengthGenerator = nil
+	var padding crypto.PaddingLengthGenerator
 	if request.Option.Has(protocol.RequestOptionGlobalPadding) {
 		padding = sizeParser.(crypto.PaddingLengthGenerator)
 	}
@@ -293,7 +293,7 @@ func (s *ServerSession) EncodeResponseBody(request *protocol.RequestHeader, writ
 	if request.Option.Has(protocol.RequestOptionChunkMasking) {
 		sizeParser = NewShakeSizeParser(s.responseBodyIV[:])
 	}
-	var padding crypto.PaddingLengthGenerator = nil
+	var padding crypto.PaddingLengthGenerator
 	if request.Option.Has(protocol.RequestOptionGlobalPadding) {
 		padding = sizeParser.(crypto.PaddingLengthGenerator)
 	}