Defined in 2 files as a struct:

• contrib/libstdc++/include/bits/boost_concept_check.h, line 356 (as a struct)
• contrib/libstdc++/include/bits/boost_concept_check.h, line 368 (as a struct)

Referenced in 6 files:

• contrib/libstdc++/include/bits/stl_algo.h, line 124
• contrib/libstdc++/include/bits/stl_map.h, line 107
• contrib/libstdc++/include/bits/stl_multimap.h, line 106
• contrib/libstdc++/include/bits/stl_multiset.h, line 96
• contrib/libstdc++/include/bits/stl_queue.h, line 331
• contrib/libstdc++/include/bits/stl_set.h, line 99