Unify             106 src/interface.cc     static_cast<Interface*>(p->value)->Unify(interface, zone, ok);
Unify             120 src/interface.cc   if (this->forward_) return this->Chase()->Unify(that, zone, ok);
Unify             121 src/interface.cc   if (that->forward_) return this->Unify(that->Chase(), zone, ok);
Unify              91 src/interface.h   void Unify(Interface* that, Zone* zone, bool* ok);
Unify            1437 src/parser.cc    interface->Unify(scope->interface(), zone(), ok);
Unify            1890 src/parser.cc        proxy->interface()->Unify(var->interface(), zone(), &ok);
Unify            1052 src/scopes.cc      proxy->interface()->Unify(var->interface(), zone(), &ok);