Compilare: main.cpp: In function 'bool Evaluate(Node*)': main.cpp:161:20: warning: enumeration value 'OT_OPERAND' not handled in switch [-Wswitch] 161 | switch (node->op) { | ^ main.cpp:161:20: warning: enumeration value 'OT_UNDEFINED' not handled in switch [-Wswitch] main.cpp:152:12: warning: enumeration value 'NT_DEFAULT' not handled in switch [-Wswitch] 152 | switch (node->type) { | ^ main.cpp:172:1: warning: control reaches end of non-void function [-Wreturn-type] 172 | } | ^ main.cpp: In function 'Node* Expression(OperationType)': main.cpp:148:12: warning: 'x' may be used uninitialized [-Wmaybe-uninitialized] 148 | return x; | ^ main.cpp:115:11: note: 'x' was declared here 115 | Node *x, *y; | ^