Updated to C++17 standard

r9y9 · Sep 18, 2023 · b033201 · b033201
1 parent dbb7b3d
commit b033201
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/mecab/src/dictionary.cpp b/src/mecab/src/dictionary.cpp
@@ -65,9 +65,9 @@ int progress_bar_darts(size_t current, size_t total) {
 }
 
 template <typename T1, typename T2>
-struct pair_1st_cmp: public std::__binary_function<bool, T1, T2> {
+struct pair_1st_cmp {
   bool operator()(const std::pair<T1, T2> &x1,
-                  const std::pair<T1, T2> &x2)  {
+                  const std::pair<T1, T2> &x2) const {
     return x1.first < x2.first;
   }
 };