huffman tag

C++ LNK1120 1 unverifiable external reference. There's an error. Why is that?

Huffman.cpp#include Huffman.hbool Node::operator()(const Node* lhs, const Node* rhs) const { return lhs->cnt > rhs->cnt;}Huffman::~Huffman() { std::stack<Node*> st; st.push(binTree); wh...