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040000 tree 0fdcbdef3d3a7af415bbb132d6a7b1f8a34701ac	exchange
040000 tree 35be7d232d01931f4dea11af7db26f1fd5cf397a	forward
040000 tree b020727a29529639146c49c66c6f56559eb3b28f	operators
040000 tree b9e569e21bb64cf36d8afe24572440642c3274ca	pairs
040000 tree f8d2e7cd7d37c82ac9d66fc874aa2803e52334d7	utility.swap
100644 blob 77d145d944574b7ad9ab94c07f968c6b40dd063d	version.pass.cpp