4 #include "util/fibers/fibers_ext.h" 8 ostream& operator<<(ostream& o, const ::boost::fibers::channel_op_status op) {
9 using ::boost::fibers::channel_op_status;
10 if (op == channel_op_status::success) {
12 }
else if (op == channel_op_status::closed) {
14 }
else if (op == channel_op_status::full) {
16 }
else if (op == channel_op_status::empty) {
18 }
else if (op == channel_op_status::timeout) {
27 namespace fibers_ext {