add has function

liqiongfan · Apr 16, 2023 · 7ed090e · 7ed090e
1 parent c899916
commit 7ed090e
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/json_type.hpp b/json_type.hpp
@@ -74,6 +74,7 @@ struct json {
     bool is_nan() { return this->is<nan>(); }
     bool is_hex() { return this->is<hex>(); }
     bool is_not_found() { return this->is<std::nullptr_t>(); }
+    bool has() { return this->is<std::nullptr_t>(); }
 
     int get_int() { return this->get<int>(); }
     long get_long() { return this->get<long>(); }