Example.cpp

void doTheThing(const SomeEnum& enum)
{
    const int bindedVariable = 
    [&]()
    {    
        switch(enum)
        {
        case SOME_ENUM_VAL_1:
            return 200;
        case SOME_ENUM_VAL_2;
            return 400;
        default:
            return 600;        
        }
    }();
    
    // Do other stuff
}

void doTheThingTwo(bool testCondition)
{
    const MemoryIntensiveObject myIntensiveInstance = 
    [&]()
    {
        if(testCondition)
            return std::move(MemoryIntensiveObject(paramSet1));
        else
            return std::move(MemoryIntensiveObject(paramSet2));
    }();
    
    // Do other stuff;
}