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Converts this Date to a string with the format YYYYMMDD. If writer is set, the resulting string will be written directly to it.

string toISOString() pure nothrow @safe const;

void toISOString(W) (
  ref W writer
) const
if (isOutputRange!(W, char));


writer A char accepting output range


A string when not using an output range; void otherwise.


writeln(Date(2010, 7, 4).toISOString()); // "20100704"
writeln(Date(1998, 12, 25).toISOString()); // "19981225"
writeln(Date(0, 1, 5).toISOString()); // "00000105"
writeln(Date(-4, 1, 5).toISOString()); // "-00040105"


Jonathan M Davis


Boost License 1.0.