jerome guiban

Same compilation error for me when building the following code: ``` auto &m = influxdb_cpp::builder().meas("test"); m.field("val", 10); // notice this line please //m.timestamp(1578569518); m.post_http(si, &resp); ``` error: ‘struct influxdb_cpp::detail::tag_caller’ has...

+1 for having this useful feature integrated soon