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// Copyright 2012, Matthias Andreas Benkard.
#pragma once
#ifndef DYNVARS_HPP
#define DYNVARS_HPP
#include <functional>
#include <list>
#define thread_local __thread
namespace dynvars {
template <typename T>
class dynvar {
private:
std::list<T> value_stack;
public:
dynvar() { };
dynvar(T val);
dynvar<T>& operator =(T val);
void push(T val);
void pop();
T& operator *();
T* operator ->();
operator bool() const;
};
template <typename R>
class dyn {
dynvar<R>& myvar;
public:
dyn(dynvar<R>& var, R val);
~dyn();
};
template <typename R, typename T>
T
with(dynvar<R>& var, R val, std::function<T ()> f);
}
#endif //DYNVARS_HPP
#include "dynvars-impl.hpp"
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