mapnik/mapnik — comment on commit 8d9fb2b540976cf4b39fcd87f0a36e7b55961335
File:  line 0
By springmeyer:

why the `_stats` vs `stats_`? In mapnik a trailing `_` is used to indicate class members. Otherwise no need for `_` to indicate private things. Private things in C++ can actually be private members so no need to have the variable indicate that.