1 files changed, 4 insertions, 13 deletions
diff --git a/Lib/ocaml/std_map.i b/Lib/ocaml/std_map.i
index 3f197baa6..b6a98c6e0 100644
--- a/Lib/ocaml/std_map.i
+++ b/Lib/ocaml/std_map.i
@@ -47,7 +47,11 @@ namespace std {
                     throw std::out_of_range("key not found");
             }
             void set(const K& key, const T& x) {
+%#ifdef __cpp_lib_map_try_emplace
+                (*self).insert_or_assign(key, x);
+%#else
                 (*self)[key] = x;
+%#endif
             }
             void del(const K& key) throw (std::out_of_range) {
                 std::map< K, T, C >::iterator i = self->find(key);
@@ -63,17 +67,4 @@ namespace std {
         }
     };
 
-// Legacy macros (deprecated)
-%define specialize_std_map_on_key(K,CHECK,CONVERT_FROM,CONVERT_TO)
-#warning "specialize_std_map_on_key ignored - macro is deprecated and no longer necessary"
-%enddef
-
-%define specialize_std_map_on_value(T,CHECK,CONVERT_FROM,CONVERT_TO)
-#warning "specialize_std_map_on_value ignored - macro is deprecated and no longer necessary"
-%enddef
-
-%define specialize_std_map_on_both(K,CHECK_K,CONVERT_K_FROM,CONVERT_K_TO, T,CHECK_T,CONVERT_T_FROM,CONVERT_T_TO)
-#warning "specialize_std_map_on_both ignored - macro is deprecated and no longer necessary"
-%enddef
-
 }