Improve Period class
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@ -30,10 +30,8 @@ namespace ChronoUtilities {
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*
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* The resulting Period will contain the number of years, month and days which have been passed
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* between \a begin and \a end.
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*
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* \todo Pass DateTime objects by value in v5.
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*/
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Period::Period(const DateTime &begin, const DateTime &end)
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Period::Period(DateTime begin, DateTime end)
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{
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m_years = end.year() - begin.year();
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m_months = end.month() - begin.month();
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@ -7,10 +7,11 @@ namespace ChronoUtilities {
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class CPP_UTILITIES_EXPORT Period {
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public:
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Period(const DateTime &begin, const DateTime &end);
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int years() const;
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int months() const;
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int days() const;
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constexpr Period();
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Period(DateTime begin, DateTime end);
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constexpr int years() const;
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constexpr int months() const;
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constexpr int days() const;
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private:
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int m_years;
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@ -18,10 +19,17 @@ private:
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int m_days;
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};
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constexpr Period::Period()
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: m_years(0)
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, m_months(0)
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, m_days(0)
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{
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}
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/*!
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* \brief Returns the years component of the period represented by the current instance.
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*/
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inline int Period::years() const
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constexpr int Period::years() const
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{
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return m_years;
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}
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@ -29,7 +37,7 @@ inline int Period::years() const
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/*!
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* \brief Returns the months component of the period represented by the current instance.
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*/
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inline int Period::months() const
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constexpr int Period::months() const
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{
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return m_months;
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}
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@ -37,7 +45,7 @@ inline int Period::months() const
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/*!
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* \brief Returns the days component of the period represented by the current instance.
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*/
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inline int Period::days() const
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constexpr int Period::days() const
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{
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return m_days;
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}
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