View Compilation Error

0_0_23345141_30067.cpp: In member function 'void node::PushDown()':
0_0_23345141_30067.cpp:31:8: error: 'struct node' has no member named 'Pushrev'
  left->Pushrev();
        ^
0_0_23345141_30067.cpp:32:9: error: 'struct node' has no member named 'Pushrev'
  right->Pushrev();
         ^