     <I><font size="+1">&#8594;</font> error &quot;unknown method m2&quot;</I>

oo::class create A {
    <B>method</B> m1 {} {
        puts &quot;red brick&quot;
    }
}
<B>oo::objdefine</B> inst {
    <B>mixin</B> A
}
inst m1              <I><font size="+1">&#8594;</font> prints &quot;red brick&quot;</I>
inst m2              <I><font size="+1">&#8594;</font> error &quot;unknown method m2&quot;</I>

oo::class create B {
    <B>method</B> m2 {} {
        puts &quot;blue brick&quot;
    }
}
<B>oo::objdefine</