File

util.dbuffer: Add efficient shortcuts for discard() in certain cases If the buffer is already empty, nothing to do. If we're throwing away the whole buffer, we can just empty it and avoid read_chunk() (which in turn may collapse()). These shortcuts are much more efficient.

local record lib
	short : function () : string
	medium : function () : string
	long : function () : string
	custom : function (integer) : function () : string

end
return lib