time: Add saturating arithmetic for SystemTime
#151200
Open
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This commit implements the following methods:
SystemTime::saturating_addSystemTime::saturating_subSystemTime::saturating_duration_sinceThe implementation of these methods is rather trivial, as the main logic lies behind the constants
SystemTime::MINandSystemTime::MAX.See also:
SystemTimelibs-team#718SystemTimearithmetic #151199