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Gives the result of adding or subtracting a duration from this DateTime, as well as assigning the result to this DateTime.

ref DateTime opOpAssign(string op) (
  Duration duration
) pure nothrow @nogc @safe
if (op == "+" || op == "-");

The legal types of arithmetic for DateTime using this operator are

DateTime + duration --> DateTime
DateTime - duration --> DateTime


duration The duration to add to or subtract from this DateTime.


Jonathan M Davis


Boost License 1.0.