parser: do not allow "int?", only "?int"

vlib/crypto/rand/utils.v

@@ -9,7 +9,7 @@ import(
 	encoding.binary
 )
 
-pub fn int_u64(max u64) u64? {
+pub fn int_u64(max u64) ?u64 {
 	bitlen := bits.len64(max)
 	if bitlen == 0 {
 		return u64(0)
@@ -38,7 +38,7 @@ pub fn int_u64(max u64) u64? {
 	return n
 }
 
-fn bytes_to_u64(b []byte) []u64 {   
+fn bytes_to_u64(b []byte) []u64 {
 	ws := 64/8
 	mut z := [u64(0)].repeat((b.len + ws - 1) / ws)
 	mut i := b.len

vlib/net/socket.v

@@ -206,7 +206,7 @@ pub fn dial(address string, port int) ?Socket {
 }
 
 // send string data to socket
-pub fn (s Socket) send(buf byteptr, len int) int? {
+pub fn (s Socket) send(buf byteptr, len int) ?int {
 	res := int( C.send(s.sockfd, buf, len, 0) )
 	if res < 0 {
 		return error('socket: send failed')

vlib/net/socket_test.v

@@ -1,10 +1,10 @@
-import net 
+import net
 
 fn test_socket() {
 	mut server := net.listen(0) or {
 		println(err)
 		return
-	}    
+	}
 	server_port := server.get_port()
 	mut client := net.dial('127.0.0.1', server_port) or {
 		println(err)
@@ -20,7 +20,7 @@ fn test_socket() {
 	$if debug {	println('message send: $message')	}
 	$if debug {	println('send socket: $socket.sockfd')	}
 
-	bytes, blen := client.recv(1024) 
+	bytes, blen := client.recv(1024)
 	received := tos(bytes, blen)
 	$if debug {	println('message received: $received')	}
 	$if debug {	println('client: $client.sockfd')	}
@@ -30,4 +30,4 @@ fn test_socket() {
 	server.close()
 	client.close()
 	socket.close()
-} 
+}