Modifies the time point by the given duration.
d
to pt
. Effectively, d
is added to the internally stored duration d_
as d_ += d
.d
to pt
in negative direction. Effectively, d
is subtracted from internally stored duration d_
as d_ -= d
.d | - | a time offset to apply |
*this
.
May throw implementation-defined exceptions.
(C++11) | performs add and subtract operations involving a time point (function template) |
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