Add alias to Map#length

e.g. https://github.com/ruby/ruby/blob/master/array.c#L8053-L8054 https://github.com/ruby/ruby/blob/master/hash.c#L6955-L6956
protocolbuffers · Nov 19, 2020 · 2ac9eb3 · 2ac9eb3
1 parent d7a2643
commit 2ac9eb3
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/ruby/ext/google/protobuf_c/map.c b/ruby/ext/google/protobuf_c/map.c
@@ -826,6 +826,7 @@ void Map_register(VALUE module) {
   rb_define_method(klass, "delete", Map_delete, 1);
   rb_define_method(klass, "clear", Map_clear, 0);
   rb_define_method(klass, "length", Map_length, 0);
+  rb_define_alias(klass, "size", "length");
   rb_define_method(klass, "dup", Map_dup, 0);
   rb_define_method(klass, "==", Map_eq, 1);
   rb_define_method(klass, "hash", Map_hash, 0);