erase_all

#pragma once

#include "typelist.h"

template<typename TList, typename TargetType>
struct EraseAll;

template<typename TargetType>
struct EraseAll<NullType, TargetType>{
    typedef NullType NewTypeList;
};

template<typename TargetType, typename Tail>
struct EraseAll<TypeList<TargetType, Tail>, TargetType>{
    typedef typename EraseAll<Tail,TargetType>::NewTypeList NewTypeList;
};

template<typename Head, typename Tail, typename TargetType>
struct EraseAll<TypeList<Head,Tail>, TargetType>{
    typedef TypeList<Head,
            typename EraseAll<Tail,TargetType>::NewTypeList> NewTypeList;
};