util/generic/stack.h


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#pragma once
 
#include "fwd.h"
#include "deque.h" 
 
#include <stack> 
 
template <class T, class S>
class TStack: public std::stack<T, S> {
    using TBase = std::stack<T, S>; 
 
public: 
    using TBase::TBase;
 
    inline explicit operator bool() const noexcept {
        return !this->empty();
    }
};