optimize codes

2022-04-13 19:08:06 +08:00
parent 022460755f
commit ca073499ae
4 changed files with 10 additions and 6 deletions
@@ -93,7 +93,7 @@ struct token
    uint32_t column;
    uint32_t type;
    std::string str;
-    token(uint32_t l=0,uint32_t c=0,uint32_t t=tok_null,const std::string s=""):str(s)
+    token(uint32_t l=0,uint32_t c=0,uint32_t t=tok_null,const std::string& s=""):str(s)
    {
        line=l;
        column=c;