66 lines
1.1 KiB
C++
66 lines
1.1 KiB
C++
/*
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* Counter.hpp
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*
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* Created on: 22 èþë. 2019 ã.
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* Author: titov
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*/
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#ifndef SOURCE_COMMON_COUNTER_HPP_
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#define SOURCE_COMMON_COUNTER_HPP_
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template<typename T>
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struct Counter {
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Counter( T max_value = T() );
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explicit operator bool() const;
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void operator++();
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void operator=( T rh );
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Counter<T> & operator=( const Counter<T> & rh );
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T value() const { return current_value; }
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private:
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T max_value;
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T current_value;
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};
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template<typename T>
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inline Counter<T>::Counter( T max_value ) : max_value(max_value), current_value(0) {}
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template<typename T>
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inline Counter<T>::operator bool() const {
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return current_value == max_value;
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}
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template<typename T>
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inline void Counter<T>::operator++() {
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if( current_value < max_value )
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++current_value;
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}
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template<typename T>
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inline void Counter<T>::operator=( T rh ) {
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current_value = rh;
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}
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template<typename T>
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inline Counter<T> & Counter<T>::operator=( const Counter<T> & rh ) {
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max_value = rh.max_value;
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current_value = rh.current_value;
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return *this;
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}
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#endif /* SOURCE_COMMON_COUNTER_HPP_ */
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