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Alexandre Hamez authored
Avoid a warning with GCC 4.9: son.hpp:2361:49: warning: declaration 'struct std::bidirectional_iterator_tag' does not declare anything using iterator_category = typename std::bidirectional_iterator_tag; ^
41e9e000
Avoid a warning with GCC 4.9: son.hpp:2361:49: warning: declaration 'struct std::bidirectional_iterator_tag' does not declare anything using iterator_category = typename std::bidirectional_iterator_tag; ^