| 35 | 
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 *                                                                       | 
| 36 | 
  | 
 * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).              | 
| 37 | 
  | 
 * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).           | 
| 38 | 
< | 
 * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).           | 
| 39 | 
< | 
 * [4]  Vardeman & Gezelter, in progress (2009).                         | 
| 38 | 
> | 
 * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 234107 (2008).           | 
| 39 | 
> | 
 * [4]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010). | 
| 40 | 
> | 
 * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). | 
| 41 | 
  | 
 */ | 
| 42 | 
  | 
  | 
| 43 | 
  | 
/** | 
| 57 | 
  | 
  class TupleMatcher { | 
| 58 | 
  | 
    static ReturnType match(const std::map<TupleType, ReturnType>& container, const TupleType& t) { | 
| 59 | 
  | 
      typename std::map<TupleType, ReturnType>::iterator i; | 
| 60 | 
< | 
 | 
| 60 | 
> | 
       | 
| 61 | 
  | 
      i = container.find(t); | 
| 62 | 
  | 
      if (i != container.end()) { | 
| 63 | 
  | 
        return i->second; |