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Task #1983

Updated by Junxiao Shi over 9 years ago

Most decoding procedure assumes that *Element*`::Error` inherits from `tlv::Error`.   
 Such decoding procedure looks like: 

     try { 
       interest.wireDecode(block); 
     } 
     catch (tlv::Error&) { 
       // handle error 
     } 

 This Task is to add BOOST\_STATIC\_ASSERT to each TLV elememt abstraction type, so that *Element*`::Error` is guaranteed to inherit from `tlv::Error`. 

 One such assert looks like: 

     BOOST_STATIC_ASSERT((std::is_base_of<tlv::Error, BOOST_STATIC_ASSERT((boost::is_base_of<tlv::Error, Exclude::Error>::value)); 

 This line should appear in .cpp for the implementation (not in .hpp or unit testing).

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