source: doc/papers/general/evaluation/cpp-vstack.hpp@ a9b1b0c

#pragma once
#include "object.hpp"

struct stack {
        struct node {
                ptr<object> value;
                node * next;
                node( const object & v, node * n = nullptr );
        };
        node * head;

        void clear();
        void copy( const stack & o );

        stack();
        stack( const stack & o );
        ~stack();
        stack & operator=( const stack& o );
        bool empty() const;
        void push( const object & value );
        ptr<object> pop();
};