vweb: fix serving static files

vlib/builtin/builtin.v

@@ -123,7 +123,7 @@ pub:
 	typ    int
 }
 
-pub enum AttributeKind {
+enum AttributeKind {
 	plain // [name]
 	string // ['name']
 	number // [123]

vlib/net/tcp.v

@@ -7,6 +7,7 @@ const (
 	tcp_default_write_timeout = 30 * time.second
 )
 
+[heap]
 pub struct TcpConn {
 pub mut:
 	sock                 TcpSocket

vlib/orm/orm_test.v

@@ -126,6 +126,12 @@ fn test_orm_sqlite() {
 	assert users3[0].age == 29
 	assert users3[1].age == 31
 	//
+	missing_user := sql db {
+		select from User where id == 8777
+	}
+	println('missing_user:')
+	println(missing_user) // zero struct
+	//
 	new_user := User{
 		name: 'New user'
 		age: 30

vlib/sqlite/sqlite_test.v

@@ -21,6 +21,7 @@ fn test_sqlite() {
 	code = db.exec_none('vacuum')
 	assert code == 101
 	user := db.exec_one('select * from users where id = 3') or { panic(err) }
+	println(user)
 	assert user.vals.len == 2
 	db.close() or { panic(err) }
 	assert !db.is_open

vlib/v/checker/checker.v

@@ -3098,6 +3098,11 @@ pub fn (mut c Checker) enum_decl(decl ast.EnumDecl) {
 	if decl.fields.len == 0 {
 		c.error('enum cannot be empty', decl.pos)
 	}
+	/*
+	if decl.is_pub && c.mod == 'builtin' {
+		c.error('`builtin` module cannot have enums', decl.pos)
+	}
+	*/
 	for i, field in decl.fields {
 		if !c.pref.experimental && util.contains_capital(field.name) {
 			// TODO C2V uses hundreds of enums with capitals, remove -experimental check once it's handled

vlib/vweb/vweb.v

@@ -322,6 +322,7 @@ pub fn run<T>(global_app &T, port int) {
 		} $else {
 			// println('vweb no db')
 		}
+		request_app.Context = global_app.Context // copy the context ref that contains static files map etc
 		// request_app.Context = Context{
 		// conn: 0
 		//}
@@ -351,7 +352,7 @@ fn handle_conn<T>(mut conn net.TcpConn, mut app T) {
 	}
 	app.Context = Context{
 		req: req
-		conn: unsafe { conn }
+		conn: conn
 		form: map[string]string{}
 		static_files: app.static_files
 		static_mime_types: app.static_mime_types
@@ -385,7 +386,7 @@ fn handle_conn<T>(mut conn net.TcpConn, mut app T) {
 		eprintln('error parsing path: $err')
 		return
 	}
-	if serve_static<T>(mut app, url) {
+	if serve_if_static<T>(mut app, url) {
 		// successfully served a static file
 		return
 	}
@@ -528,7 +529,8 @@ fn parse_attrs(name string, attrs []string) ?([]http.Method, string) {
 
 // check if request is for a static file and serves it
 // returns true if we served a static file, false otherwise
-fn serve_static<T>(mut app T, url urllib.URL) bool {
+[manualfree]
+fn serve_if_static<T>(mut app T, url urllib.URL) bool {
 	// TODO: handle url parameters properly - for now, ignore them
 	static_file := app.static_files[url.path]
 	mime_type := app.static_mime_types[url.path]