all: require calling optfn() ? / optfn() or {...} for fn optfn() ? {}

vlib/vweb/assets/assets.v

@@ -99,7 +99,7 @@ fn (am AssetManager) combine(asset_type string, to_file bool) string {
 		os.mkdir(am.cache_dir) or { panic(err) }
 	}
 	mut file := os.create(out_file) or { panic(err) }
-	file.write(out.bytes())
+	file.write(out.bytes()) or { panic(err) }
 	file.close()
 	return out_file
 }

vlib/vweb/assets/assets_test.v

@@ -6,7 +6,7 @@ import os
 // unique cache dirs are needed per test function.
 fn clean_cache_dir(dir string) {
 	if os.is_dir(dir) {
-		os.rmdir_all(dir)
+		os.rmdir_all(dir) or { panic(err) }
 	}
 }
 
@@ -21,10 +21,10 @@ fn cache_dir(test_name string) string {
 fn get_test_file_path(file string) string {
 	path := os.join_path(base_cache_dir(), file)
 	if !os.is_dir(base_cache_dir()) {
-		os.mkdir_all(base_cache_dir())
+		os.mkdir_all(base_cache_dir()) or { panic(err) }
 	}
 	if !os.exists(path) {
-		os.write_file(path, get_test_file_contents(file))
+		os.write_file(path, get_test_file_contents(file)) or { panic(err) }
 	}
 	return path
 }

vlib/vweb/tests/vweb_test.v

@@ -20,7 +20,7 @@ const (
 fn testsuite_begin() {
 	os.chdir(vroot)
 	if os.exists(serverexe) {
-		os.rm(serverexe)
+		os.rm(serverexe) or { }
 	}
 }
 
@@ -246,7 +246,7 @@ fn simple_tcp_client(config SimpleTcpClientConfig) ?string {
 	client.set_read_timeout(tcp_r_timeout)
 	client.set_write_timeout(tcp_w_timeout)
 	defer {
-		client.close()
+		client.close() or { }
 	}
 	message := 'GET $config.path HTTP/1.1
 Host: $config.host

vlib/vweb/vweb.v

@@ -355,7 +355,8 @@ fn handle_conn<T>(mut conn net.TcpConn, mut app T) {
 			//}
 			// read body
 			mut read_body := []byte{len: len}
-			reader.read(mut read_body) // read just the amount of content len if there is no content there is nothing more to read here
+			// read just the amount of content len if there is no content there is nothing more to read here
+			reader.read(mut read_body) or { println('reader.read failed with err: $err') }
 			body += read_body.bytestr()
 			break
 		}