Use more compatible variant of using '~~' without warnings
requested to merge github/fork/stavamichal/useCompatibleVariantOfUsingSmartMatchWithoutWarnings into master
Created by: stavamichal
- '~~' is smartmatch in perl
- we need to have compatible variant of using it between more versions of perl
- this one seems to be most compatible
- old one not work under perl version lower than 5.18