system/PeriodClock: make IsDefined() "constexpr"

This commit is contained in:
Max Kellermann 2015-06-20 15:33:17 +02:00
parent 327a8e6c59
commit 980187f856

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@ -63,7 +63,7 @@ protected:
}
public:
bool IsDefined() const {
constexpr bool IsDefined() const {
return last != 0;
}