#include "ruby.h" static VALUE bug_struct_get(VALUE obj, VALUE name) { ID id = rb_check_id(&name); if (!id) { rb_name_error_str(name, "`%"PRIsVALUE"' is not a struct member", name); } return rb_struct_getmember(obj, id); } void Init_member(VALUE klass) { rb_define_method(klass, "get", bug_struct_get, 1); }