Lioncash f63ccbd936 logging/filter: Use std::string_view in ParseFilterString()
Allows avoiding constructing std::string instances, since this only
reads an arbitrary sequence of characters.

We can also make ParseFilterRule() internal, since it doesn't depend on
any private instance state of Filter
2018-07-20 15:58:46 -04:00
..
2018-07-18 17:46:17 -04:00