diff options
Diffstat (limited to 'object.c')
| -rw-r--r-- | object.c | 9 |
1 files changed, 3 insertions, 6 deletions
@@ -115,6 +115,9 @@ rb_obj_dup(obj) { VALUE dup; + if (rb_special_const_p(obj)) { + rb_raise(rb_eTypeError, "can't dup %s", rb_class2name(CLASS_OF(obj))); + } dup = rb_funcall(obj, clone, 0, 0); if (TYPE(dup) != TYPE(obj)) { rb_raise(rb_eTypeError, "dupulicated object must be same type"); @@ -1239,8 +1242,6 @@ Init_Object() rb_define_method(rb_cNilClass, "&", false_and, 1); rb_define_method(rb_cNilClass, "|", false_or, 1); rb_define_method(rb_cNilClass, "^", false_xor, 1); - rb_undef_method(rb_cNilClass, "clone"); - rb_undef_method(rb_cNilClass, "dup"); rb_define_method(rb_cNilClass, "nil?", rb_true, 0); rb_undef_method(CLASS_OF(rb_cNilClass), "allocate"); @@ -1316,8 +1317,6 @@ Init_Object() rb_define_method(rb_cTrueClass, "^", true_xor, 1); rb_undef_method(CLASS_OF(rb_cTrueClass), "allocate"); rb_undef_method(CLASS_OF(rb_cTrueClass), "new"); - rb_undef_method(rb_cTrueClass, "clone"); - rb_undef_method(rb_cTrueClass, "dup"); rb_define_global_const("TRUE", Qtrue); rb_cFalseClass = rb_define_class("FalseClass", rb_cObject); @@ -1327,8 +1326,6 @@ Init_Object() rb_define_method(rb_cFalseClass, "^", false_xor, 1); rb_undef_method(CLASS_OF(rb_cFalseClass), "allocate"); rb_undef_method(CLASS_OF(rb_cFalseClass), "new"); - rb_undef_method(rb_cFalseClass, "clone"); - rb_undef_method(rb_cFalseClass, "dup"); rb_define_global_const("FALSE", Qfalse); eq = rb_intern("=="); |