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initialize_copy(p1) public

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VALUE
rb_mod_init_copy(VALUE clone, VALUE orig)
{
    if (RB_TYPE_P(clone, T_CLASS)) {
	class_init_copy_check(clone, orig);
    }
    if (!OBJ_INIT_COPY(clone, orig)) return clone;
    if (!FL_TEST(CLASS_OF(clone), FL_SINGLETON)) {
	RBASIC_SET_CLASS(clone, rb_singleton_class_clone(orig));
	rb_singleton_class_attached(RBASIC(clone)->klass, (VALUE)clone);
    }
    RCLASS_SET_SUPER(clone, RCLASS_SUPER(orig));
    RCLASS_EXT(clone)->allocator = RCLASS_EXT(orig)->allocator;
    if (RCLASS_IV_TBL(clone)) {
	st_free_table(RCLASS_IV_TBL(clone));
	RCLASS_IV_TBL(clone) = 0;
    }
    if (RCLASS_CONST_TBL(clone)) {
	rb_free_const_table(RCLASS_CONST_TBL(clone));
	RCLASS_CONST_TBL(clone) = 0;
    }
    RCLASS_M_TBL(clone) = 0;
    if (RCLASS_IV_TBL(orig)) {
	st_data_t id;

	RCLASS_IV_TBL(clone) = rb_st_copy(clone, RCLASS_IV_TBL(orig));
	CONST_ID(id, "__tmp_classpath__");
	st_delete(RCLASS_IV_TBL(clone), &id, 0);
	CONST_ID(id, "__classpath__");
	st_delete(RCLASS_IV_TBL(clone), &id, 0);
	CONST_ID(id, "__classid__");
	st_delete(RCLASS_IV_TBL(clone), &id, 0);
    }
    if (RCLASS_CONST_TBL(orig)) {
	struct clone_const_arg arg;

	arg.tbl = RCLASS_CONST_TBL(clone) = rb_id_table_create(0);
	arg.klass = clone;
	rb_id_table_foreach(RCLASS_CONST_TBL(orig), clone_const_i, &arg);
    }
    if (RCLASS_M_TBL(orig)) {
	struct clone_method_arg arg;
	arg.old_klass = orig;
	arg.new_klass = clone;
	RCLASS_M_TBL_INIT(clone);
	rb_id_table_foreach(RCLASS_M_TBL(orig), clone_method_i, &arg);
    }

    return clone;
}
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