Historically, FileLogger was intended to work with scalar types.
Therefore, its member functions utilized parameter packs, which
copied the arguments. However, some time ago std::strings had
started to be passed to this function. The recursion was performing
multiple copies of the same std::string, which could cause
unneeded memory allocations.
This change:
- replaces copying with const references
- applies std::move() operator if possible
- replaces std::unique_lock with std::lock_guard
Signed-off-by: Patryk Wrobel <patryk.wrobel@intel.com>
cb23a38aad