parser: require assign on type alias (#6477)

vlib/builtin/builtin.v

@@ -6,7 +6,7 @@ module builtin
 __global g_m2_buf byteptr
 __global g_m2_ptr byteptr
 
-type FnExitCb fn()
+type FnExitCb = fn()
 fn C.atexit(f FnExitCb) int
 
 pub fn exit(code int) {
@@ -71,8 +71,8 @@ pub fn eprintln(s string) {
 	}
 	C.fflush(C.stdout)
 	C.fflush(C.stderr)
-	C.write(2, s.str, s.len)	
-	C.write(2, c'\n', 1)	
+	C.write(2, s.str, s.len)
+	C.write(2, c'\n', 1)
 	C.fflush(C.stderr)
 }
 
@@ -82,12 +82,12 @@ pub fn eprint(s string) {
 	}
 	C.fflush(C.stdout)
 	C.fflush(C.stderr)
-	C.write(2, s.str, s.len)	
+	C.write(2, s.str, s.len)
 	C.fflush(C.stderr)
 }
 
 pub fn print(s string) {
-	C.write(1, s.str, s.len)	
+	C.write(1, s.str, s.len)
 }
 
 const (

vlib/builtin/builtin_windows.c.v

@@ -199,7 +199,7 @@ pub:
 	context_record &ContextRecord
 }
 
-type VectoredExceptionHandler fn(&ExceptionPointers)u32
+type VectoredExceptionHandler = fn(&ExceptionPointers)u32
 
 fn C.AddVectoredExceptionHandler(u32, C.PVECTORED_EXCEPTION_HANDLER)
 fn add_vectored_exception_handler(handler VectoredExceptionHandler) {

vlib/builtin/int_test.v

@@ -91,7 +91,7 @@ fn test_cmp() {
 	assert 1 ⩾ 0
 }
 */
-type MyInt int
+type MyInt = int
 
 fn test_int_alias() {
 	i := MyInt(2)
@@ -168,7 +168,7 @@ fn test_num_separator() {
 	// f32 or f64
 	assert 312_2.55 == 3122.55
 	assert 312_2.55 == 3122.55
-	
+
 }
 
 fn test_int_decl() {

vlib/builtin/string_test.v

@@ -734,7 +734,7 @@ fn test_raw() {
 	assert raw3[7] == `\\`
 	assert raw3[8] == `x`
 	assert raw3[9] == `0`
-	assert raw3[10] == `0`	
+	assert raw3[10] == `0`
 }
 
 fn test_raw_with_quotes() {
@@ -862,7 +862,7 @@ fn test_string_literal_with_backslash(){
 }
 
 /*
-type MyString string
+type MyString = string
 
 fn test_string_alias() {
 	s := MyString('hi')