Herb Sutter's GotW #91 talks about smart pointer parameters in detail and when to use const and reference: https://herbsutter.com/2013/06/05/gotw-91-solution-s

Herb Sutter's GotW #91 talks about smart pointer parameters in detail and when to use const and reference: https://herbsutter.com/2013/06/05/gotw-91-solution-smart-pointer-parameters/ https://herbsutter.com/2013/06/05/gotw-91-solution-smart-poi...