Re: Template syntax help

red floyd <>
Sun, 24 Aug 2008 20:51:25 CST
<un1sk.4896$> wrote:

Compiles w/ MSVC (2008), fails with G++ (3.4.4 under cygwin), error
message included. Not sure what I'm doing wrong, I'm assuming the
MSVC is being too permissive as usual...

#include <map>
#include <memory>
using namespace std;

template <class EventT, class StateId> class State;

template <class EventT, class StateId> class StateMachine

    typedef State<EventT, StateId> StateType;
    typedef std::map<StateId, StateType*> StateMap;

    void RemoveState(const StateId &stateId);

template <class EventT, class StateId>
class State {};

template <class EventT, class StateId>
void StateMachine<EventT, StateId>::RemoveState(
    const StateId &stateId)
    typedef StateMap::iterator StateMapIt; //Errors start here

       typedef typename StateMap::iterator StateMapIt;

    StateMapIt it;

StateMap::iterator is a dependent name, so the compiler needs you to
help it by explicitly telling it that iterator is a type.

      [ See for info about ]
      [ comp.lang.c++.moderated. First time posters: Do this! ]

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