added init function for prepare dataset out bench in v code, but it anti pattern

main.v

@@ -8,6 +8,27 @@ import respondent
 import state_manager
 import benchmark
 
+//v -enable-globals run main.v
+__global (
+	data_set_map map[string]models.Question
+)
+
+fn init() {
+	f := os.read_file('treedata.json') or {
+		log.error('err read json file: $err')
+		return
+	}
+
+	data_set := json.decode([]models.Question, f) or {
+		log.error('err unmarshall json: $err')
+		return
+	}
+
+	for data in data_set {
+		data_set_map[data.title] = data
+	}
+}
+
 fn main() {
 	mut benchmarks := []benchmark.InternalBenchmark{}
 
@@ -21,21 +42,6 @@ fn main() {
 
 fn test_main(mut b benchmark.Bench) ? {
 	for n:=0;n<b.n;n++{
-		f := os.read_file('treedata.json') or {
-			log.error('err read json file: $err')
-			return
-		}
-
-		data_set := json.decode([]models.Question, f) or {
-			log.error('err unmarshall json: $err')
-			return
-		}
-
-		mut data_set_map := map[string]models.Question{}
-		for data in data_set {
-			data_set_map[data.title] = data
-		}
-
 		mut mock_client := &client.Client{messages: []string{}}
 		mut mock_state_manager := &state_manager.StateManager{
 			questions: data_set_map