include/prepend in refinements should be prohibited - kakutani

include/prepend in refinements should be prohibited

#RubyKaigi_Takeout_2021 #RubyKaigi_Takeout_2021_Day2

https://rubykaigi.org/2021-takeout/presentations/shugomaeda.html

https://github.com/shugo/RubyKaigiTakeout2021

https://bugs.ruby-lang.org/issues/17007

https://bugs.ruby-lang.org/issues/17379

https://bugs.ruby-lang.org/issues/17374

https://bugs.ruby-lang.org/issues/17429