: error: assignment of read-only location '

http://stackoverflow.com/questions/1760080/error-assignment-of-read-only-location-in-unordered-map-c

  : error: expected constructor, destructor, or type conversion before '

  : error: no matching function for call to 
  (...)
  note: candidates are: 

  : error: template-id '
  ' for '
  ' does not match any template declaration

http://cplusplus.syntaxerrors.info/index.php?title=No_matching_function_for_call_to_%E2%80%98Foo::Foo%28%29%E2%80%99

@related: CPlusPlus debug